message stringlengths 2 22.8k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 16 109k | cluster float64 1 1 | __index_level_0__ int64 32 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Nowadays it is becoming increasingly difficult to park a car in cities successfully. Let's imagine a segment of a street as long as L meters along which a parking lot is located. Drivers should park their cars strictly parallel to the paveme... | instruction | 0 | 36,483 | 1 | 72,966 |
Tags: data structures, implementation
Correct Solution:
```
l,b,f=list(map(int,input().split()))
n=int(input())
a=[]
z=0
for j in range(n):
d,c=list(map(int,input().split()))
if d==1:
x=-1
y=0
for i in range(z):
if a[i][0]+a[i][1]+b+c<=l and (i==z-1 or a[i][0]+a[i][1]+b+c<=a[... | output | 1 | 36,483 | 1 | 72,967 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays it is becoming increasingly difficult to park a car in cities successfully. Let's imagine a segment of a street as long as L meters along which a parking lot is located. Drivers should ... | instruction | 0 | 36,484 | 1 | 72,968 |
No | output | 1 | 36,484 | 1 | 72,969 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays it is becoming increasingly difficult to park a car in cities successfully. Let's imagine a segment of a street as long as L meters along which a parking lot is located. Drivers should ... | instruction | 0 | 36,485 | 1 | 72,970 |
No | output | 1 | 36,485 | 1 | 72,971 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays it is becoming increasingly difficult to park a car in cities successfully. Let's imagine a segment of a street as long as L meters along which a parking lot is located. Drivers should ... | instruction | 0 | 36,486 | 1 | 72,972 |
No | output | 1 | 36,486 | 1 | 72,973 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays it is becoming increasingly difficult to park a car in cities successfully. Let's imagine a segment of a street as long as L meters along which a parking lot is located. Drivers should ... | instruction | 0 | 36,487 | 1 | 72,974 |
No | output | 1 | 36,487 | 1 | 72,975 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The country has n cities and n - 1 bidirectional roads, it is possible to get from every city to any other one if you move only along the roads. The cities are numbered with integers from 1 to n inclusive.
All the roads are initially bad, b... | instruction | 0 | 36,502 | 1 | 73,004 |
Tags: dp, trees
Correct Solution:
```
class Graph:
def __init__(self, n_vertices, edges, directed=True, weighted=False):
self.n_vertices = n_vertices
self.edges = edges
self.directed = directed
self.weighted = weighted
@property
def adj(self):
try:
retu... | output | 1 | 36,502 | 1 | 73,005 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The country has n cities and n - 1 bidirectional roads, it is possible to get from every city to any other one if you move only along the roads. The cities are numbered with integers from 1 to n inclusive.
All the roads are initially bad, b... | instruction | 0 | 36,503 | 1 | 73,006 |
Tags: dp, trees
Correct Solution:
```
class Graph:
def __init__(self, n_vertices, edges, directed=True, weighted=False):
self.n_vertices = n_vertices
self.edges = edges
self.directed = directed
self.weighted = weighted
@property
def adj(self):
try:
retu... | output | 1 | 36,503 | 1 | 73,007 |
Provide a correct Python 3 solution for this coding contest problem.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will call East-West Main Street, runs east-west and passes the... | instruction | 0 | 36,635 | 1 | 73,270 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
def main():
n = int(input())
l = [list(map(int,input().split())) for i in range(n)]
xcal = [[0]*n for i in range(1<<n)]
ycal = [[0]*n for i in range(1<<n)]
for i in range(1<<n):
for j in range(n):
xcal[i][j] = abs(l[j... | output | 1 | 36,635 | 1 | 73,271 |
Provide a correct Python 3 solution for this coding contest problem.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will call East-West Main Street, runs east-west and passes the... | instruction | 0 | 36,636 | 1 | 73,272 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
INF = float('inf')
N = int(input().strip())
data = [list(map(int, input().split())) for _ in range(N)]
cost_b = []
cost_D = []
for b in range(1<<N):
towns = []
cost = INF
for i in range(N):
if (b>>i)&1:
towns.append(data[i])
for i in range... | output | 1 | 36,636 | 1 | 73,273 |
Provide a correct Python 3 solution for this coding contest problem.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will call East-West Main Street, runs east-west and passes the... | instruction | 0 | 36,637 | 1 | 73,274 |
"Correct Solution:
```
inf = 10**15
def main():
import sys
input = sys.stdin.readline
N = int(input())
X = []
Y = []
P = []
for _ in range(N):
x, y, p = map(int, input().split())
X.append(x)
Y.append(y)
P.append(p)
dx = [[inf] * N for _ in range(1<<N)]... | output | 1 | 36,637 | 1 | 73,275 |
Provide a correct Python 3 solution for this coding contest problem.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will call East-West Main Street, runs east-west and passes the... | instruction | 0 | 36,638 | 1 | 73,276 |
"Correct Solution:
```
# Fast IO (only use in integer input)
# TLE
import os,io
input=io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
def main():
N = int(input())
Resident = []
for i in range(N):
x,y,p = map(int,input().split())
Resident.append((x,y,p))
def abs(N):
if N ... | output | 1 | 36,638 | 1 | 73,277 |
Provide a correct Python 3 solution for this coding contest problem.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will call East-West Main Street, runs east-west and passes the... | instruction | 0 | 36,639 | 1 | 73,278 |
"Correct Solution:
```
# coding: utf-8
import sys
#from operator import itemgetter
sysread = sys.stdin.buffer.readline
read = sys.stdin.buffer.read
#from heapq import heappop, heappush
#from collections import defaultdict
sys.setrecursionlimit(10**7)
#import math
#from itertools import product, accumulate, combinations... | output | 1 | 36,639 | 1 | 73,279 |
Provide a correct Python 3 solution for this coding contest problem.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will call East-West Main Street, runs east-west and passes the... | instruction | 0 | 36,640 | 1 | 73,280 |
"Correct Solution:
```
import sys
n, *towns = map(int, sys.stdin.buffer.read().split())
xxx = towns[0::3]
yyy = towns[1::3]
ppp = towns[2::3]
INF = 10 ** 18
ans = [INF] * (n + 1)
precalc_dist_x = []
precalc_dist_y = []
for bit in range(1 << n):
dists_x = []
dists_y = []
for i in range(n):
x = xxx... | output | 1 | 36,640 | 1 | 73,281 |
Provide a correct Python 3 solution for this coding contest problem.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will call East-West Main Street, runs east-west and passes the... | instruction | 0 | 36,641 | 1 | 73,282 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
INF = 10**13
def main():
N = int(input())
T = [[int(i) for i in input().split()] for j in range(N)]
X_dist = [[0]*N for _ in range(1 << N)]
Y_dist = [[0]*N for _ in range(1 << N)]
for bit in range(1 << N):
cur_x = [0]
cu... | output | 1 | 36,641 | 1 | 73,283 |
Provide a correct Python 3 solution for this coding contest problem.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will call East-West Main Street, runs east-west and passes the... | instruction | 0 | 36,642 | 1 | 73,284 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
N=int(input())
P=[list(map(int,input().split())) for i in range(N)]
ANS=[1<<60]*(N+1)
ANS[-1]=0
DP1=[20000]*N
S=0
for i in range(N):
x,y,p=P[i]
DP1[i]=min(abs(x),abs(y))
S+=DP1[i]*p
ANS[0]=S
def dfs(DP,now,used):
if used==N-1:
ret... | output | 1 | 36,642 | 1 | 73,285 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will c... | instruction | 0 | 36,643 | 1 | 73,286 |
Yes | output | 1 | 36,643 | 1 | 73,287 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will c... | instruction | 0 | 36,644 | 1 | 73,288 |
Yes | output | 1 | 36,644 | 1 | 73,289 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will c... | instruction | 0 | 36,645 | 1 | 73,290 |
Yes | output | 1 | 36,645 | 1 | 73,291 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will c... | instruction | 0 | 36,646 | 1 | 73,292 |
Yes | output | 1 | 36,646 | 1 | 73,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will c... | instruction | 0 | 36,647 | 1 | 73,294 |
No | output | 1 | 36,647 | 1 | 73,295 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will c... | instruction | 0 | 36,648 | 1 | 73,296 |
No | output | 1 | 36,648 | 1 | 73,297 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will c... | instruction | 0 | 36,649 | 1 | 73,298 |
No | output | 1 | 36,649 | 1 | 73,299 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
New AtCoder City has an infinite grid of streets, as follows:
* At the center of the city stands a clock tower. Let (0, 0) be the coordinates of this point.
* A straight street, which we will c... | instruction | 0 | 36,650 | 1 | 73,300 |
No | output | 1 | 36,650 | 1 | 73,301 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Greg the Dwarf has been really busy recently with excavations by the Neverland Mountain. However for the well-known reasons (as you probably remember he is a very unusual dwarf and he cannot stand sunlight) Greg can only excavate at night. A... | instruction | 0 | 37,028 | 1 | 74,056 |
Tags: geometry
Correct Solution:
```
import math
mas = list(map(int, input().split()))
r = mas[0]
h = mas[1]
l = (r ** 2 + h ** 2) ** 0.5#2 * math.pi * r
mas = list(map(float, input().split()))
x1 = mas[0]
y1 = mas[1]
z1 = mas[2]
mas = list(map(float, input().split()))
x2 = mas[0]
y2 = mas[1]
z2 = mas[2]
s = 0
if ((z1 ... | output | 1 | 37,028 | 1 | 74,057 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly all n cities of Berland were connected by n two-... | instruction | 0 | 37,119 | 1 | 74,238 |
Tags: graphs
Correct Solution:
```
def find_next_path(matrix, n, path, ind):
for i in range(n):
if matrix[ind][i] != 0 and i not in path or \
matrix[i][ind] != 0 and i not in path:
return i
return -1
n = int(input())
matrix = [[0] * n for i in range(n)]
for i in range(n):
... | output | 1 | 37,119 | 1 | 74,239 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly all n cities of Berland were connected by n two-... | instruction | 0 | 37,120 | 1 | 74,240 |
Tags: graphs
Correct Solution:
```
A = set()
B = set()
cost1 = 0
cost2 = 0
def swap(a,b):
a,b = b,a
return a,b
n = int(input())
for i in range(n):
a,b,c = map(int,input().split())
if (a in A) or (b in B):
a,b = swap(a,b)
cost1 += c
else:
cost2 += c
A.add(a)
B.add(b)
p... | output | 1 | 37,120 | 1 | 74,241 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly all n cities of Berland were connected by n two-... | instruction | 0 | 37,121 | 1 | 74,242 |
Tags: graphs
Correct Solution:
```
n=int(input())
d=[[] for i in range(n+1)]
for i in range(n):
a,b,c=map(int,input().split())
d[a].append([b,1,c])
d[b].append([a,-1,c])
s=[1]
v=[0]*(n+1)
r=0
x=0
while(s):
m=s.pop()
v[m]=1
if v[d[m][0][0]]==1 and v[d[m][1][0]]==1:
pass
elif v[d[m]... | output | 1 | 37,121 | 1 | 74,243 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly all n cities of Berland were connected by n two-... | instruction | 0 | 37,122 | 1 | 74,244 |
Tags: graphs
Correct Solution:
```
n = int(input())
ar=[]
br=[]
x=y=0
for i in range(n):
a,b,c=map(int,input().split())
if (a in ar or b in br):
a,b=b,a
y+=c
x+=c
ar.append(a)
br.append(b)
print(min(y,x-y))
``` | output | 1 | 37,122 | 1 | 74,245 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly all n cities of Berland were connected by n two-... | instruction | 0 | 37,123 | 1 | 74,246 |
Tags: graphs
Correct Solution:
```
import math,sys,bisect,heapq
from collections import defaultdict,Counter,deque
from itertools import groupby,accumulate
#sys.setrecursionlimit(200000000)
int1 = lambda x: int(x) - 1
#def input(): return sys.stdin.readline().strip()
input = iter(sys.stdin.buffer.read().decode().splitli... | output | 1 | 37,123 | 1 | 74,247 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly all n cities of Berland were connected by n two-... | instruction | 0 | 37,124 | 1 | 74,248 |
Tags: graphs
Correct Solution:
```
n = int(input())
p = [tuple(map(int, input().split())) for i in range(n)]
t = [[] for i in range(n + 1)]
for a, b, c in p:
t[a].append(b)
t[b].append(a)
t[1], x = t[1][0], 1
for i in range(1, n):
y = t[x]
t[y], x = t[y][t[y][0] == x], y
t[x] = 1
s = d = 0
for a, b, c i... | output | 1 | 37,124 | 1 | 74,249 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly all n cities of Berland were connected by n two-... | instruction | 0 | 37,125 | 1 | 74,250 |
Tags: graphs
Correct Solution:
```
dic,tcost,ncost = {}, 0,0
for line in range(int(input())):
a,b,c = list(map(int, input().split(" ")))
if a not in dic:
dic[a] = {b: 0}
else: dic[a][b] = 0
if b not in dic:
dic[b] = {a: c}
else: dic[b][a] = c
tcost +=c
curr = b
prev = a
next = None
while curr != a:
for x in ... | output | 1 | 37,125 | 1 | 74,251 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly all n cities of Berland were connected by n two-... | instruction | 0 | 37,126 | 1 | 74,252 |
Tags: graphs
Correct Solution:
```
n = int(input())
p,c,ss = [[] for _ in range(n+1)],[[0]*(n+1) for _ in range(n+1)], 0
for x,y,z in [map(int,input().split()) for _ in range(n)]:
p[x].append(y),p[y].append(x)
c[x][y],ss= z,ss+z
tmp ,vis,cir = 1,[0 for _ in range(n+1)],[]
while 1:
ok = 0
cir.append(tmp)... | output | 1 | 37,126 | 1 | 74,253 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly a... | instruction | 0 | 37,127 | 1 | 74,254 |
Yes | output | 1 | 37,127 | 1 | 74,255 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly a... | instruction | 0 | 37,128 | 1 | 74,256 |
Yes | output | 1 | 37,128 | 1 | 74,257 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly a... | instruction | 0 | 37,129 | 1 | 74,258 |
Yes | output | 1 | 37,129 | 1 | 74,259 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly a... | instruction | 0 | 37,130 | 1 | 74,260 |
Yes | output | 1 | 37,130 | 1 | 74,261 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly a... | instruction | 0 | 37,131 | 1 | 74,262 |
No | output | 1 | 37,131 | 1 | 74,263 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly a... | instruction | 0 | 37,132 | 1 | 74,264 |
No | output | 1 | 37,132 | 1 | 74,265 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly a... | instruction | 0 | 37,133 | 1 | 74,266 |
No | output | 1 | 37,133 | 1 | 74,267 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The government of Berland decided to keep up with new trends. Formerly a... | instruction | 0 | 37,134 | 1 | 74,268 |
No | output | 1 | 37,134 | 1 | 74,269 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem at each moment you have a set of intervals. You can move from interval (a, b) from our set to interval (c, d) from our set if and only if c < a < d or c < b < d. Also there is a path from interval I1 from our set to interval ... | instruction | 0 | 37,154 | 1 | 74,308 |
Tags: dfs and similar, graphs
Correct Solution:
```
def main():
intervals = []
visited = []
for _ in range(int(input())):
read_input(intervals, visited)
def read_input(intervals: list, visited: list) -> None:
command, x, y = [int(x) for x in input().split(" ")]
if (command == 1):
... | output | 1 | 37,154 | 1 | 74,309 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem at each moment you have a set of intervals. You can move from interval (a, b) from our set to interval (c, d) from our set if and only if c < a < d or c < b < d. Also there is a ... | instruction | 0 | 37,157 | 1 | 74,314 |
Yes | output | 1 | 37,157 | 1 | 74,315 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vladik often travels by trains. He remembered some of his trips especially well and I would like to tell you about one of these trips:
Vladik is at initial train station, and now n people (including Vladik) want to get on the train. They ar... | instruction | 0 | 37,375 | 1 | 74,750 |
Tags: dp, implementation
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
R, L = {}, {}
for i in range(n):
if a[i] not in L:
L[a[i]] = i
R[a[i]] = i
dp = [0] * (n + 1)
for i in range(n):
dp[i] = dp[i - 1]
if R[a[i]] != i:
continue
s = 0
l = L[a[i]]
... | output | 1 | 37,375 | 1 | 74,751 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vladik often travels by trains. He remembered some of his trips especially well and I would like to tell you about one of these trips:
Vladik is at initial train station, and now n people (including Vladik) want to get on the train. They ar... | instruction | 0 | 37,376 | 1 | 74,752 |
Tags: dp, implementation
Correct Solution:
```
#!/usr/bin/pypy3
import cProfile
from sys import stdin,stderr
from heapq import heappush,heappop
from random import randrange
def readInts(): return map(int,stdin.readline().strip().split())
def print_err(*args,**kwargs): print(*args,file=stderr,**kwargs)
def create_hea... | output | 1 | 37,376 | 1 | 74,753 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vladik often travels by trains. He remembered some of his trips especially well and I would like to tell you about one of these trips:
Vladik is at initial train station, and now n people (including Vladik) want to get on the train. They ar... | instruction | 0 | 37,377 | 1 | 74,754 |
Tags: dp, implementation
Correct Solution:
```
inf = 1<<30
n = int(input())
a = [0] + [int(i) for i in input().split()]
maxi = max(a)
f = [-1] * (maxi+1)
for i in range(1, n + 1):
if f[a[i]] == -1:
f[a[i]] = i
l = [-1] * (maxi+1)
for i in range(n, 0, -1):
if l[a[i]] == -1:
l[a[i]] = i
dp = [0... | output | 1 | 37,377 | 1 | 74,755 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vladik often travels by trains. He remembered some of his trips especially well and I would like to tell you about one of these trips:
Vladik is at initial train station, and now n people (including Vladik) want to get on the train. They ar... | instruction | 0 | 37,378 | 1 | 74,756 |
Tags: dp, implementation
Correct Solution:
```
def dp():
dparr = [0] * len(sections)
for i in range(len(sections) - 1, -1, -1):
_, curend, curcomfort = sections[i]
nextsection = i + 1
try:
while sections[nextsection][0] <= curend:
nextsection += 1
except IndexError:
# Loop til end
inc = curcomfor... | output | 1 | 37,378 | 1 | 74,757 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vladik often travels by trains. He remembered some of his trips especially well and I would like to tell you about one of these trips:
Vladik is at initial train station, and now n people (including Vladik) want to get on the train. They ar... | instruction | 0 | 37,379 | 1 | 74,758 |
Tags: dp, implementation
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
from types import GeneratorType
from collections import defaultdict
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
... | output | 1 | 37,379 | 1 | 74,759 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vladik often travels by trains. He remembered some of his trips especially well and I would like to tell you about one of these trips:
Vladik is at initial train station, and now n people (including Vladik) want to get on the train. They ar... | instruction | 0 | 37,380 | 1 | 74,760 |
Tags: dp, implementation
Correct Solution:
```
from collections import Counter, defaultdict
R = lambda: map(int, input().split())
n = int(input())
arr = list(R())
cnts = Counter(arr)
dp = [0] * (n + 1)
for i in range(n):
acc = defaultdict(int)
cnt, xor = 0, 0
dp[i] = dp[i - 1]
for j in range(i, -1, -1)... | output | 1 | 37,380 | 1 | 74,761 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vladik often travels by trains. He remembered some of his trips especially well and I would like to tell you about one of these trips:
Vladik is at initial train station, and now n people (including Vladik) want to get on the train. They ar... | instruction | 0 | 37,381 | 1 | 74,762 |
Tags: dp, implementation
Correct Solution:
```
n=int(input())
a=list(map(int,input().split()))
lmost=[99999999]*(5001)
rmost=[-1]*(5001)
dp=[0]*(5001)
for i in range(n):
lmost[a[i]]=min(lmost[a[i]],i)
for i in range(n-1,-1,-1):
rmost[a[i]]=max(rmost[a[i]],i)
for i in range(n):
val=0
m=lmost[a[i]]
dp... | output | 1 | 37,381 | 1 | 74,763 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vladik often travels by trains. He remembered some of his trips especially well and I would like to tell you about one of these trips:
Vladik is at initial train station, and now n people (including Vladik) want to get on the train. They ar... | instruction | 0 | 37,382 | 1 | 74,764 |
Tags: dp, implementation
Correct Solution:
```
# ---------------------------iye ha aam zindegi---------------------------------------------
import math
import random
import heapq, bisect
import sys
from collections import deque, defaultdict
from fractions import Fraction
import sys
import threading
from collections imp... | output | 1 | 37,382 | 1 | 74,765 |
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