message stringlengths 2 67k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 463 109k | cluster float64 19 19 | __index_level_0__ int64 926 217k |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards are arranged from left to right in the order from Card ... | instruction | 0 | 43,578 | 19 | 87,156 |
"Correct Solution:
```
# Binary Indexed Tree (Fenwick Tree)
class BIT():
"""ไธ็นๅ ็ฎใๅบ้ๅๅพใฏใจใชใใใใใO(logN)ใง็ญใใ
add: i็ช็ฎใซvalใๅ ใใ
get_sum: ๅบ้[l, r)ใฎๅใๆฑใใ
i, l, rใฏ0-indexed
"""
def __init__(self, n):
self.n = n
self.bit = [0] * (n + 1)
def _sum(self, i):
s = 0
while i... | output | 1 | 43,578 | 19 | 87,157 |
Provide a correct Python 3 solution for this coding contest problem.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards are arranged from left to right in the order from Card ... | instruction | 0 | 43,579 | 19 | 87,158 |
"Correct Solution:
```
#!/usr/bin/env python3
import sys
input = sys.stdin.readline
n = int(input())
a = [int(item) for item in input().split()]
b = [int(item) for item in input().split()]
odd_bit = 0b0101010101010101010101
eve_bit = 0b1010101010101010101010
full_bit = 2**n - 1
odd_num = (n + 1) // 2
ans = 10**9
f... | output | 1 | 43,579 | 19 | 87,159 |
Provide a correct Python 3 solution for this coding contest problem.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards are arranged from left to right in the order from Card ... | instruction | 0 | 43,580 | 19 | 87,160 |
"Correct Solution:
```
import sys
input=sys.stdin.readline
n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
ans=10**9
def bubble_sort(arr):
change = True
num=0
while change:
change = False
for i in range(len(arr) - 1):
if arr[i] > arr[i + 1]:
... | output | 1 | 43,580 | 19 | 87,161 |
Provide a correct Python 3 solution for this coding contest problem.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards are arranged from left to right in the order from Card ... | instruction | 0 | 43,581 | 19 | 87,162 |
"Correct Solution:
```
from itertools import combinations
N = int(input())
A = list(map(int,input().split()))
B = list(map(int,input().split()))
def inversion(inds):
bit = [0] * (N+1)
def bit_add(x,w):
while x <= N:
bit[x] += w
x += (x & -x)
def bit_sum(x):
ret = 0
... | output | 1 | 43,581 | 19 | 87,163 |
Provide a correct Python 3 solution for this coding contest problem.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards are arranged from left to right in the order from Card ... | instruction | 0 | 43,582 | 19 | 87,164 |
"Correct Solution:
```
import itertools
class Bit:
def __init__(self, n):
self.size = n
self.tree = [0] * (n + 1)
def sum(self, i):
s = 0
while i > 0:
s += self.tree[i]
i -= i & -i
return s
def add(self, i, x):
while i <= self.size:... | output | 1 | 43,582 | 19 | 87,165 |
Provide a correct Python 3 solution for this coding contest problem.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards are arranged from left to right in the order from Card ... | instruction | 0 | 43,583 | 19 | 87,166 |
"Correct Solution:
```
N = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
ans = N ** 2
for i in range(1 << N):
L = [[] for _ in range(N)]
T = [0] * N
t = i
for j in range(N):
if t & 1:
L[j] = [A[j], 1]
T[j] = A[j]
else:
L[j] = [B[j], 0]
T[j]... | output | 1 | 43,583 | 19 | 87,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards... | instruction | 0 | 43,584 | 19 | 87,168 |
Yes | output | 1 | 43,584 | 19 | 87,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards... | instruction | 0 | 43,585 | 19 | 87,170 |
Yes | output | 1 | 43,585 | 19 | 87,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards... | instruction | 0 | 43,586 | 19 | 87,172 |
Yes | output | 1 | 43,586 | 19 | 87,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards... | instruction | 0 | 43,587 | 19 | 87,174 |
Yes | output | 1 | 43,587 | 19 | 87,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards... | instruction | 0 | 43,588 | 19 | 87,176 |
No | output | 1 | 43,588 | 19 | 87,177 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards... | instruction | 0 | 43,589 | 19 | 87,178 |
No | output | 1 | 43,589 | 19 | 87,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards... | instruction | 0 | 43,590 | 19 | 87,180 |
No | output | 1 | 43,590 | 19 | 87,181 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N cards numbered 1, 2, ..., N. Card i (1 \leq i \leq N) has an integer A_i written in red ink on one side and an integer B_i written in blue ink on the other side. Initially, these cards... | instruction | 0 | 43,591 | 19 | 87,182 |
No | output | 1 | 43,591 | 19 | 87,183 |
Provide a correct Python 3 solution for this coding contest problem.
Problem
You decide to play a weird game with your friend A, who loves gathering.
Given a set S of non-negative integers consisting of n elements that can be duplicated. Each element contained in the set S is a non-negative pi-ary number. With Steps... | instruction | 0 | 43,744 | 19 | 87,488 |
"Correct Solution:
```
# AOJ 1518: Last One
# Python3 2018.7.13 bal4u
ans = 0;
for i in range(int(input())):
p = input().split();
if len(p) == 1: ms = []
else: ms = list(p[1])
s = 0
for m in ms:
if m.isdigit(): s += int(m)
elif m.isupper(): s += ord(m)-ord('A')+10
else: s += ord(m)-ord('a')+36
ans ^= s
pri... | output | 1 | 43,744 | 19 | 87,489 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Problem
You decide to play a weird game with your friend A, who loves gathering.
Given a set S of non-negative integers consisting of n elements that can be duplicated. Each element contained ... | instruction | 0 | 43,745 | 19 | 87,490 |
No | output | 1 | 43,745 | 19 | 87,491 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy th... | instruction | 0 | 44,108 | 19 | 88,216 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
x = int(input())
x = 7 - x
for i in range(n):
left, right = map(int, input().split())
if x == left or x == 7 - left or x == right or x == 7 - right:
print('NO')
exit()
else:
x = 7 - x
print('YES')
``` | output | 1 | 44,108 | 19 | 88,217 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy th... | instruction | 0 | 44,109 | 19 | 88,218 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
x = int(input())
dice = []
for i in range(n):
dice.append(list(map(int,input().split())))
ans = "YES"
for i in range(n):
dice[i].append(7-dice[i][0])
dice[i].append(7-dice[i][1])
for i in range(n):
if 7-x in dice[i]:
ans = "NO"
brea... | output | 1 | 44,109 | 19 | 88,219 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy th... | instruction | 0 | 44,110 | 19 | 88,220 |
Tags: constructive algorithms, greedy
Correct Solution:
```
# def hidden_nums():
# left, right = map(int, input().split())
# seen = set([left, right, 7-left, 7-right])
# hidden = [i for i in range(1, 7) if i not in seen]
# return hidden
# def solve():
# n, top = int(input()), int(input())
# bot... | output | 1 | 44,110 | 19 | 88,221 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy th... | instruction | 0 | 44,111 | 19 | 88,222 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n= int(input())
x= int(input())
f_arr=[0]*7
arr=[]
cnt=0
for i in range(n):
a,b=map(int,input().split())
arr.append(a)
arr.append(b)
for j in arr:
if j!=x and j!=(7-x):
cnt+=1
if cnt==2*n:
print("YES")
else:
print("NO")
``` | output | 1 | 44,111 | 19 | 88,223 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy th... | instruction | 0 | 44,112 | 19 | 88,224 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n=int(input())
x=int(input())
tmp= True
for i in range(n) :
a , b = map(int , input().split())
if x == a or x == b or a == 7 - x or b == 7 - x:
tmp = False
print(['NO' , 'YES'][tmp])
``` | output | 1 | 44,112 | 19 | 88,225 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy th... | instruction | 0 | 44,113 | 19 | 88,226 |
Tags: constructive algorithms, greedy
Correct Solution:
```
#ismailmoussi
n=int(input())
lfou9=int(input())
input()
for i in range(n-1):
li=list(map(int,input().split()))
if lfou9 in li or 7-lfou9 in li:
print("NO")
exit()
print("YES")
``` | output | 1 | 44,113 | 19 | 88,227 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy th... | instruction | 0 | 44,114 | 19 | 88,228 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
f = []
x = int(input())
while n:
n -= 1
t1, t2 = map(int, input().split())
f.append(t1)
f.append(t2)
if x in f:
print('NO')
elif 7-x in f:
print('NO')
else:
print('YES')
``` | output | 1 | 44,114 | 19 | 88,229 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy th... | instruction | 0 | 44,115 | 19 | 88,230 |
Tags: constructive algorithms, greedy
Correct Solution:
```
a=int(input())
b=int(input())
c=set()
for i in range(a):
d,e=map(int, input().split())
for j in range(1, 7):
if j!=d and j!=e and j!=7-d and j!=7-e:
c.add(j)
if len(c)==2:
print("YES")
else:
print("NO")
``` | output | 1 | 44,115 | 19 | 88,231 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these ... | instruction | 0 | 44,116 | 19 | 88,232 |
Yes | output | 1 | 44,116 | 19 | 88,233 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these ... | instruction | 0 | 44,117 | 19 | 88,234 |
Yes | output | 1 | 44,117 | 19 | 88,235 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these ... | instruction | 0 | 44,118 | 19 | 88,236 |
Yes | output | 1 | 44,118 | 19 | 88,237 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these ... | instruction | 0 | 44,119 | 19 | 88,238 |
Yes | output | 1 | 44,119 | 19 | 88,239 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these ... | instruction | 0 | 44,120 | 19 | 88,240 |
No | output | 1 | 44,120 | 19 | 88,241 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these ... | instruction | 0 | 44,121 | 19 | 88,242 |
No | output | 1 | 44,121 | 19 | 88,243 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these ... | instruction | 0 | 44,122 | 19 | 88,244 |
No | output | 1 | 44,122 | 19 | 88,245 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these ... | instruction | 0 | 44,123 | 19 | 88,246 |
No | output | 1 | 44,123 | 19 | 88,247 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly n moves. On it's turn i-th player takes the lef... | instruction | 0 | 44,146 | 19 | 88,292 |
Tags: dp
Correct Solution:
```
n=int(input())
a=input()
b=''
c=0
d=0
f=0
g=f-c
while c<n:
g=f-c
d=f+c
if g==0:
f+=1
b+='H'
else:
e=d
for j in range(d,min(n+c+1,2*n)):
if int(a[j])>int(a[e]):
e=j
if e!=d:
b+='H'
f... | output | 1 | 44,146 | 19 | 88,293 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly n moves. On it's turn i-th player takes the lef... | instruction | 0 | 44,147 | 19 | 88,294 |
Tags: dp
Correct Solution:
```
n = int(input())
s = input()
n *= 2
d = [[-1 for i in range(n + 2)] for j in range(n + 2)]
prev = [[0 for i in range(n + 2)] for j in range(n + 2)]
d[0][0] = 1
for i in range(n):
for j in range(min(i, n // 2) + 1):
if d[i + 1][j + 1] < d[i][j] + int(s[i]) * 10 ** (n // 2 - j... | output | 1 | 44,147 | 19 | 88,295 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly n moves. On it's turn i-th player takes the lef... | instruction | 0 | 44,148 | 19 | 88,296 |
Tags: dp
Correct Solution:
```
import sys
from array import array # noqa: F401
from collections import Counter
def input():
return sys.stdin.buffer.readline().decode('utf-8')
n = int(input())
s = input().rstrip()
pre_bit, pre_sum = Counter(), Counter()
suf_bit, suf_sum = Counter(), Counter()
for bit in range... | output | 1 | 44,148 | 19 | 88,297 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly n moves. On it's turn i-th player takes the lef... | instruction | 0 | 44,149 | 19 | 88,298 |
Tags: dp
Correct Solution:
```
n = int(input())
s = input()
mat = [[[int(0),int(0),""] for _i in range(n+1)] for _j in range(n+1)]
for i in range(2*n):
digit = int(s[i])
toIter = min(i,n)
minh = max(i-n,0)
maxh = min(n,i)
for m in range(minh,maxh+1):
h = i - m
v = mat[h][m]
if h < n:
#add current... | output | 1 | 44,149 | 19 | 88,299 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly n moves. On it's turn i-th player takes the lef... | instruction | 0 | 44,150 | 19 | 88,300 |
Tags: dp
Correct Solution:
```
n=int(input())
s=input()
dp=[[-float('inf')]*(n+1) for i in range(2*n+1)]
dp[0][0]=0
m=2*n
for fir in range(0,n+1):
for i in range(1,2*n+1):
if(fir>i):
dp[i][fir]=-float('inf')
dp[i][fir]=max(dp[i][fir],dp[i-1][fir-1]+pow(10,n-fir)*int(s[i-1]))
if(n... | output | 1 | 44,150 | 19 | 88,301 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly n moves. On it's turn i-th player takes the lef... | instruction | 0 | 44,151 | 19 | 88,302 |
Tags: dp
Correct Solution:
```
n = int(input())
s = input()
dp = [[None for i in range(n + 1)] for i in range(n + 1)]
dp[0][0] = ('', '0', '0')
for i in range(1, n * 2 + 1):
for j in range(max(0, i - n), min(i, n) + 1):
k = i - j
curr = -1
if j > 0:
choices, h, m = dp[j - 1][k]
... | output | 1 | 44,151 | 19 | 88,303 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly n moves. On it's turn i-th player takes the lef... | instruction | 0 | 44,152 | 19 | 88,304 |
Tags: dp
Correct Solution:
```
def compute():
from sys import stdin
[n] = list(map(int, stdin.readline().split()))
i = list(map(int, stdin.readline().strip()))
dp = {}
INF = (int(-1e9),"")
def f(x,h,m):
if x >= 2*n:
return (0,"")
args = (h,m)
if args in dp:
return dp[args]
re... | output | 1 | 44,152 | 19 | 88,305 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly ... | instruction | 0 | 44,153 | 19 | 88,306 |
No | output | 1 | 44,153 | 19 | 88,307 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly ... | instruction | 0 | 44,154 | 19 | 88,308 |
No | output | 1 | 44,154 | 19 | 88,309 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly ... | instruction | 0 | 44,155 | 19 | 88,310 |
No | output | 1 | 44,155 | 19 | 88,311 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly ... | instruction | 0 | 44,156 | 19 | 88,312 |
No | output | 1 | 44,156 | 19 | 88,313 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Appleman and Toastman play a game. Initially Appleman gives one group of n numbers to the Toastman, then they start to complete the following tasks:
* Each time Toastman gets a group of numbers, he sums up all the numbers and adds this su... | instruction | 0 | 44,209 | 19 | 88,418 |
Tags: greedy, sortings
Correct Solution:
```
n = int(input())
a = [int(x) for x in input().split()]; a.sort()
print(sum([(i+1)*a[i] for i in range(n)])+sum(a[:-1]))
``` | output | 1 | 44,209 | 19 | 88,419 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Appleman and Toastman play a game. Initially Appleman gives one group of n numbers to the Toastman, then they start to complete the following tasks:
* Each time Toastman gets a group of numbers, he sums up all the numbers and adds this su... | instruction | 0 | 44,210 | 19 | 88,420 |
Tags: greedy, sortings
Correct Solution:
```
n=int(input())
N=[int(i) for i in input().split()]
su=0
N.sort()
for i in range(n):
su+=i*N[i]+2*N[i]
su=su-N[n-1]
print(su)
``` | output | 1 | 44,210 | 19 | 88,421 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Appleman and Toastman play a game. Initially Appleman gives one group of n numbers to the Toastman, then they start to complete the following tasks:
* Each time Toastman gets a group of numbers, he sums up all the numbers and adds this su... | instruction | 0 | 44,211 | 19 | 88,422 |
Tags: greedy, sortings
Correct Solution:
```
n = int(input())
arr = [int(s) for s in input().split()]
arr.sort(reverse=True)
res = 0
if n == 1 :
res = arr[0]
else :
res = n * (arr[0] + arr[1])
i = 2
while i < n :
res += (n + 1 - i) * arr[i]
i += 1
print(res)
``` | output | 1 | 44,211 | 19 | 88,423 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Appleman and Toastman play a game. Initially Appleman gives one group of n numbers to the Toastman, then they start to complete the following tasks:
* Each time Toastman gets a group of numbers, he sums up all the numbers and adds this su... | instruction | 0 | 44,212 | 19 | 88,424 |
Tags: greedy, sortings
Correct Solution:
```
num_numbers = int(input())
numbers = list(map(int, input().split()))
numbers.sort(reverse=True)
solution = num_numbers*numbers[0]
for pos in range(1, len(numbers)):
solution += (num_numbers + 1 - pos) * numbers[pos]
print(solution)
``` | output | 1 | 44,212 | 19 | 88,425 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Appleman and Toastman play a game. Initially Appleman gives one group of n numbers to the Toastman, then they start to complete the following tasks:
* Each time Toastman gets a group of numbers, he sums up all the numbers and adds this su... | instruction | 0 | 44,213 | 19 | 88,426 |
Tags: greedy, sortings
Correct Solution:
```
def solve():
n = int(input())
a = [int(x) for x in input().split(' ')]
a.sort()
if n == 1:
return a[0]
else:
m = [i + 2 for i in range(n)]
m[-1] -= 1
return sum([x * y for x, y in zip(a, m)])
print(solve())
``` | output | 1 | 44,213 | 19 | 88,427 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Appleman and Toastman play a game. Initially Appleman gives one group of n numbers to the Toastman, then they start to complete the following tasks:
* Each time Toastman gets a group of numbers, he sums up all the numbers and adds this su... | instruction | 0 | 44,214 | 19 | 88,428 |
Tags: greedy, sortings
Correct Solution:
```
## necessary imports
import sys
input = sys.stdin.readline
from math import log2, log, ceil
# swap_array function
def swaparr(arr, a,b):
temp = arr[a];
arr[a] = arr[b];
arr[b] = temp
## gcd function
def gcd(a,b):
if a == 0:
return b
return gcd(b... | output | 1 | 44,214 | 19 | 88,429 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Appleman and Toastman play a game. Initially Appleman gives one group of n numbers to the Toastman, then they start to complete the following tasks:
* Each time Toastman gets a group of numbers, he sums up all the numbers and adds this su... | instruction | 0 | 44,215 | 19 | 88,430 |
Tags: greedy, sortings
Correct Solution:
```
n = int(input())
inList = input().split()
aList = []
for a in inList:
aList.append(int(a))
aList.sort()
res = 0
for i in range(len(aList)):
res += aList[i]*(i+2)
print(res-aList[-1])
``` | output | 1 | 44,215 | 19 | 88,431 |
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