message stringlengths 2 43.5k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 853 107k | cluster float64 24 24 | __index_level_0__ int64 1.71k 214k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes the distance from the university to the house ... | instruction | 0 | 56,460 | 24 | 112,920 |
Tags: bitmasks, combinatorics, dp
Correct Solution:
```
from itertools import combinations
def out1(a,b,c):
if a<0 or b<0 or c<0:
return 0
if a==1 and b==0 and c==0:
return 1
return a*(out2(a-1,b,c)+out3(a-1,b,c))
def out2(a,b,c):
if a<0 or b<0 or c<0:
return 0
if a==0 and b=... | output | 1 | 56,460 | 24 | 112,921 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes the distance from the university to the house ... | instruction | 0 | 56,461 | 24 | 112,922 |
Tags: bitmasks, combinatorics, dp
Correct Solution:
```
def popcount(i):
assert 0 <= i < 0x100000000
i = i - ((i >> 1) & 0x55555555)
i = (i & 0x33333333) + ((i >> 2) & 0x33333333)
return (((i + (i >> 4) & 0xF0F0F0F) * 0x1010101) & 0xffffffff) >> 24
N, T = map(int, input().split())
TG = [list(map(int, i... | output | 1 | 56,461 | 24 | 112,923 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes the distance from the university to the house ... | instruction | 0 | 56,462 | 24 | 112,924 |
Tags: bitmasks, combinatorics, dp
Correct Solution:
```
from itertools import combinations
def findsum(comb):
sum = 0
for song in comb:
sum += song[0]
return sum
def finda(a,b,c):
if a == 0:
return 0
if a == 1 and b == 0 and c == 0:
return 1
else:
return (a * fi... | output | 1 | 56,462 | 24 | 112,925 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes the distance from the university to the house ... | instruction | 0 | 56,463 | 24 | 112,926 |
Tags: bitmasks, combinatorics, dp
Correct Solution:
```
# by the authority of GOD author: manhar singh sachdev #
import os,sys
from io import BytesIO,IOBase
def main():
mod = 10**9+7
n,T = map(int,input().split())
y = 1<<n
dp = [[0]*3 for _ in range(y)]
# already taken ; genre
peo = [list(... | output | 1 | 56,463 | 24 | 112,927 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes the distance from the university to the house ... | instruction | 0 | 56,464 | 24 | 112,928 |
Tags: bitmasks, combinatorics, dp
Correct Solution:
```
from math import factorial
def lol(n):
if n == 1:
yield [0]
yield [1]
else:
for p in lol(n - 1):
p.append(0)
yield p
p[-1] = 1
yield p
p.pop()
def sp(g1, g2, g3, f):
... | output | 1 | 56,464 | 24 | 112,929 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes the distance from the university to the house ... | instruction | 0 | 56,465 | 24 | 112,930 |
Tags: bitmasks, combinatorics, dp
Correct Solution:
```
n,tnow=map(int,input().split())
left=int("".join(["1" for i in range(n)]),2)
arr=[]
dp={}
for i in range(n):
a,b=map(int,input().split())
arr.append([a,b])
def recur(tnow,prevgenre,left):
key=str(left)+"_"+str(prevgenre)
if tnow==0:
return ... | output | 1 | 56,465 | 24 | 112,931 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes... | instruction | 0 | 56,466 | 24 | 112,932 |
Yes | output | 1 | 56,466 | 24 | 112,933 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes... | instruction | 0 | 56,467 | 24 | 112,934 |
No | output | 1 | 56,467 | 24 | 112,935 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes... | instruction | 0 | 56,468 | 24 | 112,936 |
No | output | 1 | 56,468 | 24 | 112,937 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes... | instruction | 0 | 56,469 | 24 | 112,938 |
No | output | 1 | 56,469 | 24 | 112,939 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is constraints.
Polycarp loves to listen to music, so he never leaves the player, even on the way home from the university. Polycarp overcomes... | instruction | 0 | 56,470 | 24 | 112,940 |
No | output | 1 | 56,470 | 24 | 112,941 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minute exactly one of them made one change to the f... | instruction | 0 | 57,332 | 24 | 114,664 |
Tags: greedy, two pointers
Correct Solution:
```
t = int(input())
for _ in range(t):
bb = input().split()
while bb == []:
bb = input().split()
k, n, m = int(bb[0]), int(bb[1]), int(bb[2])
s1 = input().split()
s2 = input().split()
for i in range(n):
s1[i] = int(s1[i])
for i i... | output | 1 | 57,332 | 24 | 114,665 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minute exactly one of them made one change to the f... | instruction | 0 | 57,333 | 24 | 114,666 |
Tags: greedy, two pointers
Correct Solution:
```
for _ in range(int(input())):
tab = input()
k,n,m = map(int,input().split())
listn = list(map(int,input().split()))
listm = list(map(int,input().split()))
ans = []
status = True
stuck = False
noOfTries = 0
while(len(listm)>0 or len(li... | output | 1 | 57,333 | 24 | 114,667 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minute exactly one of them made one change to the f... | instruction | 0 | 57,334 | 24 | 114,668 |
Tags: greedy, two pointers
Correct Solution:
```
t = int(input())
for i in range(t):
a = input()
k, n, m = [int(i) for i in input().split()]
a = [int(i) for i in input().split()]
b = [int(i) for i in input().split()]
now = k
i=0
j=0
ans = []
while i<n or j<m:
if i!=n:
... | output | 1 | 57,334 | 24 | 114,669 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minute exactly one of them made one change to the f... | instruction | 0 | 57,335 | 24 | 114,670 |
Tags: greedy, two pointers
Correct Solution:
```
for _ in range(int(input())):
s=input()
k,n,m=map(int,input().split())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
ans=[]
i=0
j=0
flag=1
while(i<n and j<m):
if(a[i]==0):
ans.append(a[i])
... | output | 1 | 57,335 | 24 | 114,671 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minute exactly one of them made one change to the f... | instruction | 0 | 57,336 | 24 | 114,672 |
Tags: greedy, two pointers
Correct Solution:
```
def verify_result(k , arr):
for i in arr:
if i == 0:
k+=1
else:
if k >= i:
continue
else:
return [-1]
return arr
def solve():
input()
k,n,m = list(map(int , input().... | output | 1 | 57,336 | 24 | 114,673 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minute exactly one of them made one change to the f... | instruction | 0 | 57,337 | 24 | 114,674 |
Tags: greedy, two pointers
Correct Solution:
```
#Code by Sounak, IIESTS
#------------------------------warmup----------------------------
import os
import sys
import math
from io import BytesIO, IOBase
import io
from fractions import Fraction
import collections
from itertools import permutations
from collections impo... | output | 1 | 57,337 | 24 | 114,675 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minute exactly one of them made one change to the f... | instruction | 0 | 57,338 | 24 | 114,676 |
Tags: greedy, two pointers
Correct Solution:
```
t = int(input())
for _ in range(t):
input()
k, n, m = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
i, j = 0, 0
c = []
f = 1
while f == 1:
f = 0
while i < n and a[i] <= ... | output | 1 | 57,338 | 24 | 114,677 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minute exactly one of them made one change to the f... | instruction | 0 | 57,339 | 24 | 114,678 |
Tags: greedy, two pointers
Correct Solution:
```
import sys,math
from collections import deque,defaultdict
import operator as op
from functools import reduce
from itertools import permutations
import heapq
# sys.setrecursionlimit(10**6)
# OneDrive\Documents\codeforces
I=sys.stdin.readline
alpha="abcdefghijklmnopqrs... | output | 1 | 57,339 | 24 | 114,679 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minu... | instruction | 0 | 57,340 | 24 | 114,680 |
Yes | output | 1 | 57,340 | 24 | 114,681 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minu... | instruction | 0 | 57,341 | 24 | 114,682 |
Yes | output | 1 | 57,341 | 24 | 114,683 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minu... | instruction | 0 | 57,342 | 24 | 114,684 |
Yes | output | 1 | 57,342 | 24 | 114,685 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minu... | instruction | 0 | 57,343 | 24 | 114,686 |
Yes | output | 1 | 57,343 | 24 | 114,687 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minu... | instruction | 0 | 57,344 | 24 | 114,688 |
No | output | 1 | 57,344 | 24 | 114,689 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minu... | instruction | 0 | 57,345 | 24 | 114,690 |
No | output | 1 | 57,345 | 24 | 114,691 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minu... | instruction | 0 | 57,346 | 24 | 114,692 |
No | output | 1 | 57,346 | 24 | 114,693 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Monocarp and Polycarp are learning new programming techniques. Now they decided to try pair programming.
It's known that they have worked together on the same file for n + m minutes. Every minu... | instruction | 0 | 57,347 | 24 | 114,694 |
No | output | 1 | 57,347 | 24 | 114,695 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent several hours in front of his laptop and implement... | instruction | 0 | 57,571 | 24 | 115,142 |
Tags: implementation
Correct Solution:
```
online = set()
answer = 0
try:
while True:
line = input()
if line[0] == '+' or line[0] == '-':
name = line[1:]
if line[0] == '+':
online.add(name)
else:
online.remove(name)
else:
answer += len(line.split(':')[1]) * len(online)
except:
pass
print(... | output | 1 | 57,571 | 24 | 115,143 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent several hours in front of his laptop and implement... | instruction | 0 | 57,572 | 24 | 115,144 |
Tags: implementation
Correct Solution:
```
c=0
l=[]
x=0
while x==0:
try:
s=input()
if "+" in s and s[1:] not in l:
l.append(s[1:])
if "-" in s and s[1:] in l:
l.remove(s[1:])
if ":" in s:
a,m=s.split(":")
c+=len(m)*len(l)
except:
x=1
print(c)
``` | output | 1 | 57,572 | 24 | 115,145 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent several hours in front of his laptop and implement... | instruction | 0 | 57,573 | 24 | 115,146 |
Tags: implementation
Correct Solution:
```
import sys
people,bits = 0,0
for i in sys.stdin:
if i[0] == "+": people += 1;
elif i[0] == "-": people -= 1
else: bits += people*(len(i)-i.find(":")-2)
print(bits)
``` | output | 1 | 57,573 | 24 | 115,147 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent several hours in front of his laptop and implement... | instruction | 0 | 57,574 | 24 | 115,148 |
Tags: implementation
Correct Solution:
```
# @author: guoyc
# @date: 2018/7/20
res = 0
n = 0
import sys
for s in sys.stdin:
if s[0] == '+':
n += 1
elif s[0] == '-':
n -= 1
elif s.find(':') != -1:
name, msg = s.split(':')
res += n * (len(msg)-1)
print(res)
``` | output | 1 | 57,574 | 24 | 115,149 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent several hours in front of his laptop and implement... | instruction | 0 | 57,575 | 24 | 115,150 |
Tags: implementation
Correct Solution:
```
"""f = open("input.txt", "r")
if f.mode == 'r':
contents = f.readlines()
"""
import sys
contents = []
participants = 0
sum = 0
while True:
try:
s = input()
contents.append(s)
except:
break
for content in contents:
if content[0] =... | output | 1 | 57,575 | 24 | 115,151 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent several hours in front of his laptop and implement... | instruction | 0 | 57,576 | 24 | 115,152 |
Tags: implementation
Correct Solution:
```
names = []
res = 0
while True:
try:
s = input()
except:
break
if s[0] == '+':
names.append(s[1:])
elif s[0] == '-':
names.remove(s[1:])
else:
if ':' in s:
length = len(s.split(':')[1])
... | output | 1 | 57,576 | 24 | 115,153 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent several hours in front of his laptop and implement... | instruction | 0 | 57,577 | 24 | 115,154 |
Tags: implementation
Correct Solution:
```
d = set()
count = 0
try:
while(1):
s = input()
if(s.startswith("+")):
d.add(s[1:])
elif(s.startswith("-")):
d.remove(s[1:])
else:
count += len(s.split(":")[-1]) * len(d)
except:
pass
print(count)
``` | output | 1 | 57,577 | 24 | 115,155 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent several hours in front of his laptop and implement... | instruction | 0 | 57,578 | 24 | 115,156 |
Tags: implementation
Correct Solution:
```
guys = set()
res = 0
while 1:
try:
curRequest = input()
except:
break
if curRequest[0] == '+':
guys.add(curRequest[1:])
elif curRequest[0] == '-':
guys.remove(curRequest[1:])
else:
proReq = curRequest[curRequest.find(... | output | 1 | 57,578 | 24 | 115,157 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent sev... | instruction | 0 | 57,579 | 24 | 115,158 |
Yes | output | 1 | 57,579 | 24 | 115,159 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent sev... | instruction | 0 | 57,580 | 24 | 115,160 |
Yes | output | 1 | 57,580 | 24 | 115,161 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent sev... | instruction | 0 | 57,581 | 24 | 115,162 |
Yes | output | 1 | 57,581 | 24 | 115,163 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent sev... | instruction | 0 | 57,582 | 24 | 115,164 |
Yes | output | 1 | 57,582 | 24 | 115,165 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent sev... | instruction | 0 | 57,583 | 24 | 115,166 |
No | output | 1 | 57,583 | 24 | 115,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent sev... | instruction | 0 | 57,584 | 24 | 115,168 |
No | output | 1 | 57,584 | 24 | 115,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent sev... | instruction | 0 | 57,585 | 24 | 115,170 |
No | output | 1 | 57,585 | 24 | 115,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contain chat as well. To achieve this goal, Polycarp has spent sev... | instruction | 0 | 57,586 | 24 | 115,172 |
No | output | 1 | 57,586 | 24 | 115,173 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarpus develops an interesting theory about the interrelation of arithmetic progressions with just everything in the world. His current idea is that the population of the capital of Berland changes over time like an arithmetic progressio... | instruction | 0 | 58,371 | 24 | 116,742 |
Tags: greedy, implementation, math
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
i = 0
ans = 0
while i < n:
ans += 1
i1 = i
while i1 < n and a[i1] == -1:
i1 += 1
if i1 == n:
break
i2 = i1 + 1
while i2 < n and a[i2] == -1:
i2 += 1
if i2 == ... | output | 1 | 58,371 | 24 | 116,743 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarpus develops an interesting theory about the interrelation of arithmetic progressions with just everything in the world. His current idea is that the population of the capital of Berland changes over time like an arithmetic progressio... | instruction | 0 | 58,372 | 24 | 116,744 |
Tags: greedy, implementation, math
Correct Solution:
```
import sys
import math
n = int(sys.stdin.readline())
if n <= 2:
print(1)
sys.exit(0)
a = [int(s) for s in sys.stdin.readline().split()]
st = -1 # index of first positive number in current subset of a
ed = -1 # index last positive number in current subset o... | output | 1 | 58,372 | 24 | 116,745 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarpus develops an interesting theory about the interrelation of arithmetic progressions with just everything in the world. His current idea is that the population of the capital of Berland ... | instruction | 0 | 58,373 | 24 | 116,746 |
No | output | 1 | 58,373 | 24 | 116,747 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarpus develops an interesting theory about the interrelation of arithmetic progressions with just everything in the world. His current idea is that the population of the capital of Berland ... | instruction | 0 | 58,374 | 24 | 116,748 |
No | output | 1 | 58,374 | 24 | 116,749 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarpus develops an interesting theory about the interrelation of arithmetic progressions with just everything in the world. His current idea is that the population of the capital of Berland ... | instruction | 0 | 58,375 | 24 | 116,750 |
No | output | 1 | 58,375 | 24 | 116,751 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Polycarpus develops an interesting theory about the interrelation of arithmetic progressions with just everything in the world. His current idea is that the population of the capital of Berland ... | instruction | 0 | 58,376 | 24 | 116,752 |
No | output | 1 | 58,376 | 24 | 116,753 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Polycarp analyzes the prices of the new berPhone. At his disposal are the prices for n last days: a_1, a_2, ..., a_n, where a_i is the price of berPhone on the day i.
Polycarp considers the price on the day i to be bad if later (that is, a ... | instruction | 0 | 58,914 | 24 | 117,828 |
Tags: data structures, implementation
Correct Solution:
```
# Sourav
from sys import stdin
def solve(n,arr):
k,ctr = 9999999999,0
for j in range(n):
k = min (k,arr[n-j-1])
if(k < arr[n-j-1]):
ctr += 1
return ctr
t = int(stdin.readline().rstrip())
for i in range(t):
n =... | output | 1 | 58,914 | 24 | 117,829 |
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