message stringlengths 2 28.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 21 109k | cluster float64 7 7 | __index_level_0__ int64 42 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
You have w white dominoes (2 × 1 tiles, both ce... | instruction | 0 | 49,894 | 7 | 99,788 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
import sys
input = sys.stdin.readline
def solve():
if w + b > n:
return "NO"
if k1 + k2 < w*2:
return "NO"
if 2*n-(k1+k2) < b*2:
return "NO"
return "YES"
t = int(input())
for i in range(t):
... | output | 1 | 49,894 | 7 | 99,789 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
You have w white dominoes (2 × 1 tiles, both ce... | instruction | 0 | 49,895 | 7 | 99,790 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
T=int(input())
for _ in range(T):
n,k1,k2=map(int,input().split())
w,b=map(int,input().split())
white=min(k1,k2)+abs(k1-k2)//2
black=min(n-k1,n-k2)+abs((n-k1)-(n-k2))//2
if white>=w and black>=b:print("YES")
else:print("NO")
``` | output | 1 | 49,895 | 7 | 99,791 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
You have w white dominoes (2 × 1 tiles, both ce... | instruction | 0 | 49,896 | 7 | 99,792 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
def place_dominoes(n: int, k1: int, k2: int, w: int, b: int) -> bool:
diff = abs(k1 - k2)
whites = min(k1, k2) + diff // 2
blacks = min(n - k1, n - k2) + diff // 2
if w > whites: return False
if b > blacks: return False
ret... | output | 1 | 49,896 | 7 | 99,793 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
You have w white dominoes (2 × 1 tiles, both ce... | instruction | 0 | 49,897 | 7 | 99,794 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
from collections import defaultdict,OrderedDict,Counter
from sys import stdin,stdout
from bisect import bisect_left,bisect_right
# import numpy as np
from queue import Queue,PriorityQueue
from heapq import *
from statistics import *
from math impo... | output | 1 | 49,897 | 7 | 99,795 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
You have w white dominoes (2 × 1 tiles, both ce... | instruction | 0 | 49,898 | 7 | 99,796 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
for i in range(int(input())):
n,k1,k2=map(int,input().split())
w,b=map(int,input().split())
if w<=(k1+k2)//2 and b<=(2*n-k1-k2)//2:
print("YES")
else:
print("NO")
``` | output | 1 | 49,898 | 7 | 99,797 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
You have w white dominoes (2 × 1 tiles, both ce... | instruction | 0 | 49,899 | 7 | 99,798 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
import sys
input = sys.stdin.readline
t=int(input())
for tests in range(t):
#n=int(input())
n,k1,k2=map(int,input().split())
w,b=map(int,input().split())
W=k1+k2
B=2*n-W
if w<=W//2 and b<=B//2:
print("YES")
e... | output | 1 | 49,899 | 7 | 99,799 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
... | instruction | 0 | 49,900 | 7 | 99,800 |
Yes | output | 1 | 49,900 | 7 | 99,801 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
... | instruction | 0 | 49,901 | 7 | 99,802 |
Yes | output | 1 | 49,901 | 7 | 99,803 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
... | instruction | 0 | 49,902 | 7 | 99,804 |
Yes | output | 1 | 49,902 | 7 | 99,805 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
... | instruction | 0 | 49,903 | 7 | 99,806 |
Yes | output | 1 | 49,903 | 7 | 99,807 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
... | instruction | 0 | 49,904 | 7 | 99,808 |
No | output | 1 | 49,904 | 7 | 99,809 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
... | instruction | 0 | 49,905 | 7 | 99,810 |
No | output | 1 | 49,905 | 7 | 99,811 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
... | instruction | 0 | 49,906 | 7 | 99,812 |
No | output | 1 | 49,906 | 7 | 99,813 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a board represented as a grid with 2 × n cells.
The first k_1 cells on the first row and first k_2 cells on the second row are colored in white. All other cells are colored in black.
... | instruction | 0 | 49,907 | 7 | 99,814 |
No | output | 1 | 49,907 | 7 | 99,815 |
Provide a correct Python 3 solution for this coding contest problem.
In Square Town, where many people who love squares live, a festival is held to color the town with illuminations that combine square lightning boards. This electric board emits light when electricity is applied, and the plate in contact with the ligh... | instruction | 0 | 50,424 | 7 | 100,848 |
"Correct Solution:
```
def dot3(O, A, B):
ox, oy = O; ax, ay = A; bx, by = B
return (ax - ox) * (bx - ox) + (ay - oy) * (by - oy)
def cross3(O, A, B):
ox, oy = O; ax, ay = A; bx, by = B
return (ax - ox) * (by - oy) - (bx - ox) * (ay - oy)
def dist2(A, B):
ax, ay = A; bx, by = B
return (ax - bx) ... | output | 1 | 50,424 | 7 | 100,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In Square Town, where many people who love squares live, a festival is held to color the town with illuminations that combine square lightning boards. This electric board emits light when electr... | instruction | 0 | 50,425 | 7 | 100,850 |
No | output | 1 | 50,425 | 7 | 100,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In Square Town, where many people who love squares live, a festival is held to color the town with illuminations that combine square lightning boards. This electric board emits light when electr... | instruction | 0 | 50,426 | 7 | 100,852 |
No | output | 1 | 50,426 | 7 | 100,853 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In Square Town, where many people who love squares live, a festival is held to color the town with illuminations that combine square lightning boards. This electric board emits light when electr... | instruction | 0 | 50,427 | 7 | 100,854 |
No | output | 1 | 50,427 | 7 | 100,855 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In Square Town, where many people who love squares live, a festival is held to color the town with illuminations that combine square lightning boards. This electric board emits light when electr... | instruction | 0 | 50,428 | 7 | 100,856 |
No | output | 1 | 50,428 | 7 | 100,857 |
Provide a correct Python 3 solution for this coding contest problem.
I: Ravage
Santa Claus was caught in the illuminations of the city and broke it.
There are N light bulbs in the illumination, and the $ i $ th light bulb only comes on when the voltage is above $ A_i $ and below $ B_i $.
The voltage should be the s... | instruction | 0 | 50,490 | 7 | 100,980 |
"Correct Solution:
```
n=int(input())
l=[]
for _ in [0]*n:
a,b=map(int,input().split())
l.extend([(a,1),(b+1,-1)])
l.sort()
c = 0
a = 0
for _,v in l:
c+=v
a=max(a,c)
print(a)
``` | output | 1 | 50,490 | 7 | 100,981 |
Provide a correct Python 3 solution for this coding contest problem.
I: Ravage
Santa Claus was caught in the illuminations of the city and broke it.
There are N light bulbs in the illumination, and the $ i $ th light bulb only comes on when the voltage is above $ A_i $ and below $ B_i $.
The voltage should be the s... | instruction | 0 | 50,491 | 7 | 100,982 |
"Correct Solution:
```
n = int(input())
c = [list(map(int, input().split())) for _ in range(n)]
d = [[x[0], 0] for x in c] + [[y[1], 1] for y in c]
d.sort()
r = 0
p = 0
for z in d:
if z[1] == 0:
r += 1
p = max(r, p)
else:
r -= 1
print(p)
``` | output | 1 | 50,491 | 7 | 100,983 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The Floral Clock has been standing by the side of Mirror Lake for years. Though unable to keep time, it reminds people of the passage of time and the good old days.
On the rim of the Floral Clock are 2n flowers, numbered from 1 to 2n clockw... | instruction | 0 | 50,998 | 7 | 101,996 |
Tags: combinatorics, divide and conquer, dp, fft, math
Correct Solution:
```
f = [0, 4, 8, -1, 16, -10, 4, -12, -48, 26, -44, 15, -16, -4, -4, -1]
jly = 998244353
t = 0
x = [0, 0, 0, 24, 4, 240, 204, 1316, 2988, 6720, 26200, 50248, 174280, 436904, 1140888, 3436404]
n = int(input())
for i in range(16, n + 1):
t = 0
... | output | 1 | 50,998 | 7 | 101,997 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The Floral Clock has been standing by the side of Mirror Lake for years. Though unable to keep time, it reminds people of the passage of time and the good old days.
On the rim of the Floral Clock are 2n flowers, numbered from 1 to 2n clockw... | instruction | 0 | 50,999 | 7 | 101,998 |
Tags: combinatorics, divide and conquer, dp, fft, math
Correct Solution:
```
#https://codeforces.com/problemset/problem/848/E
f = [0, 4, 8, -1, 16, -10, 4, -12, -48, 26, -44, 15, -16, -4, -4, -1]
jly = 998244353
t = 0
x = [0, 0, 0, 24, 4, 240, 204, 1316, 2988, 6720, 26200, 50248, 174280, 436904, 1140888, 3436404]
n = i... | output | 1 | 50,999 | 7 | 101,999 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such that all the numbers are distinct. While Vadim... | instruction | 0 | 51,447 | 7 | 102,894 |
Tags: dp, greedy, sortings
Correct Solution:
```
def ip():
n=int(input())
a=list(map(int,input().split()))
rem=set([i for i in range(1,n+1)])-set(a)
if n==1:
return 0
o=e=0
for i in rem:
if i%2==0:
e+=1
else:
o+=1
ct=0
i=0
while i<len... | output | 1 | 51,447 | 7 | 102,895 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such that all the numbers are distinct. While Vadim... | instruction | 0 | 51,448 | 7 | 102,896 |
Tags: dp, greedy, sortings
Correct Solution:
```
n = int (input())
a = input().split(' ')
a = [int(a[i]) for i in range(n)]
def calcHoleStranges(holes, m, pen1 = True):
if m < 0:
return n
result = 0
if pen1:
holes_pen1 = [h for h in holes if h[1] == 1]
if len (holes_pen1) == 1:
... | output | 1 | 51,448 | 7 | 102,897 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such that all the numbers are distinct. While Vadim... | instruction | 0 | 51,449 | 7 | 102,898 |
Tags: dp, greedy, sortings
Correct Solution:
```
n = int(input())
p = list(map(int, input().split()))
total_chet = n // 2
total_nechet = n // 2 + n % 2
# print("total_chet: {}".format(total_chet))
# print("total_nechet: {}".format(total_nechet))
hang_chet = len([item for item in p if item > 0 and item% 2 == 0])
hang... | output | 1 | 51,449 | 7 | 102,899 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such that all the numbers are distinct. While Vadim... | instruction | 0 | 51,450 | 7 | 102,900 |
Tags: dp, greedy, sortings
Correct Solution:
```
n = int(input())
ps = list(map(int, input().split()))
used = [False] * (n+1)
all_zeros = True
for p in ps:
used[p] = True
if p > 0:
all_zeros = False
# check all 0 case
if all_zeros:
if n == 1:
print(0)
else:
print(1)
else:
... | output | 1 | 51,450 | 7 | 102,901 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such that all the numbers are distinct. While Vadim... | instruction | 0 | 51,451 | 7 | 102,902 |
Tags: dp, greedy, sortings
Correct Solution:
```
n=int(input())
s=list(map(int,input().split()))
dp=[[[float("INF"),float("INF")]for i in range(n//2+1)]for i in range(n+1)]
dp[0][0]=[0,0]
for i in range(1,n+1):
if s[i-1]==0:
for j in range(1,n//2+1):
dp[i][j][0]=min(dp[i-1][j-1][0],dp[i-1][j-1][... | output | 1 | 51,451 | 7 | 102,903 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such that all the numbers are distinct. While Vadim... | instruction | 0 | 51,452 | 7 | 102,904 |
Tags: dp, greedy, sortings
Correct Solution:
```
# alpha = "abcdefghijklmnopqrstuvwxyz"
prime = 1000000007#998244353
# INF = 10000000000
# from sys import stdout
# from heapq import heappush, heappop
# from collections import defaultdict
# from collections import deque
# from math import sqrt
# from math impor... | output | 1 | 51,452 | 7 | 102,905 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such that all the numbers are distinct. While Vadim... | instruction | 0 | 51,453 | 7 | 102,906 |
Tags: dp, greedy, sortings
Correct Solution:
```
def solve(bulbs, i, ec, oc, prev, memo={}):
if i == len(bulbs):
if min(ec, oc) != 0:
return float('inf')
return 0
if bulbs[i] != 0:
return (prev != bulbs[i]%2) + solve(bulbs,i+1, ec, oc, bulbs[i]%2, memo)
if (i, ec, oc, pre... | output | 1 | 51,453 | 7 | 102,907 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such that all the numbers are distinct. While Vadim... | instruction | 0 | 51,454 | 7 | 102,908 |
Tags: dp, greedy, sortings
Correct Solution:
```
# 0 5 0 2 3 - saknar 1, 4
# UDDA
# U * U --> U ger 0, J ger 2.
# J * J --> speglat
# U * J --> spelar ingen roll
# dp[i, j] = antal sätt om du använt j av dina jämna.
# dp[]
N = int(input())
v = [int(x) for x in input().split()]
have = set(v)
dont_have = set(range(... | output | 1 | 51,454 | 7 | 102,909 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such that all the numbers are distinct. While Vadim... | instruction | 0 | 51,455 | 7 | 102,910 |
Tags: dp, greedy, sortings
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
from fractions import gcd
import heapq
raw_input = stdin.readline
pr = stdout.write
mod=998244353
def ni():
return int(raw_input())
def li()... | output | 1 | 51,455 | 7 | 102,911 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such... | instruction | 0 | 51,456 | 7 | 102,912 |
Yes | output | 1 | 51,456 | 7 | 102,913 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such... | instruction | 0 | 51,457 | 7 | 102,914 |
Yes | output | 1 | 51,457 | 7 | 102,915 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such... | instruction | 0 | 51,458 | 7 | 102,916 |
Yes | output | 1 | 51,458 | 7 | 102,917 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such... | instruction | 0 | 51,459 | 7 | 102,918 |
Yes | output | 1 | 51,459 | 7 | 102,919 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such... | instruction | 0 | 51,460 | 7 | 102,920 |
No | output | 1 | 51,460 | 7 | 102,921 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such... | instruction | 0 | 51,461 | 7 | 102,922 |
No | output | 1 | 51,461 | 7 | 102,923 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such... | instruction | 0 | 51,462 | 7 | 102,924 |
No | output | 1 | 51,462 | 7 | 102,925 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. Each bulb has a number from 1 to n (in arbitrary order), such... | instruction | 0 | 51,463 | 7 | 102,926 |
No | output | 1 | 51,463 | 7 | 102,927 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m integers l_1, l_2, …, l_m (1 ≤ l_i ≤ n)
Dreamoo... | instruction | 0 | 51,480 | 7 | 102,960 |
Tags: constructive algorithms, greedy, implementation, math
Correct Solution:
```
from sys import stdin
input = stdin.readline
if __name__ == '__main__':
n, m = map(int, input().split())
larr = list(map(int, input().split()))
for i, l in enumerate(larr):
if l > n - i:
print(-1)
... | output | 1 | 51,480 | 7 | 102,961 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m integers l_1, l_2, …, l_m (1 ≤ l_i ≤ n)
Dreamoo... | instruction | 0 | 51,481 | 7 | 102,962 |
Tags: constructive algorithms, greedy, implementation, math
Correct Solution:
```
def readIntArray():
return list(map(int,input().split()))
n, m = readIntArray()
l = readIntArray()
if m > n or sum(l) < n:
print(-1)
exit(0)
for i in range(m):
pre = i
if n - pre < l[i]:
print(-1)
... | output | 1 | 51,481 | 7 | 102,963 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m integers l_1, l_2, …, l_m (1 ≤ l_i ≤ n)
Dreamoo... | instruction | 0 | 51,482 | 7 | 102,964 |
Tags: constructive algorithms, greedy, implementation, math
Correct Solution:
```
import sys
import heapq
n, m = map(int, sys.stdin.readline().split())
list_cell = list(map(int, sys.stdin.readline().split()))
now_sum = 0
error = 0
for i, num in enumerate(list_cell):
now_sum+=num
if num + i > n:
error =... | output | 1 | 51,482 | 7 | 102,965 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m integers l_1, l_2, …, l_m (1 ≤ l_i ≤ n)
Dreamoo... | instruction | 0 | 51,483 | 7 | 102,966 |
Tags: constructive algorithms, greedy, implementation, math
Correct Solution:
```
n, m = map(int, input().split(' '))
a = list(map(int, input().split(' ')))
ok = True
for i in range(m):
if n - a[i] < i:
ok = False
s = [0] * (m + 1)
for i in range(m - 1, -1, -1):
s[i] = s[i + 1] + a[i]
if s[0] < n:
o... | output | 1 | 51,483 | 7 | 102,967 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m integers l_1, l_2, …, l_m (1 ≤ l_i ≤ n)
Dreamoo... | instruction | 0 | 51,484 | 7 | 102,968 |
Tags: constructive algorithms, greedy, implementation, math
Correct Solution:
```
# https://codeforces.com/contest/1330/problem/C
def solve(l, n):
if sum(l) < n:
return False, -1
cur=1
ans1=[]
ans2=[]
max_=0
for x in l:
if cur+x-1>n:
return False, -1
... | output | 1 | 51,484 | 7 | 102,969 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m integers l_1, l_2, …, l_m (1 ≤ l_i ≤ n)
Dreamoo... | instruction | 0 | 51,485 | 7 | 102,970 |
Tags: constructive algorithms, greedy, implementation, math
Correct Solution:
```
import sys
n, m = map(int, input().split(" "))
ms = list(map(int, input().split(" ")))
total = sum(ms)
if total < n:
print(-1)
sys.exit(0)
start = 1
s = [i for i in range(1, m+1)]
mi = m - 1
needr = n
shift = 0
while mi >= 0:
s[mi] -= ... | output | 1 | 51,485 | 7 | 102,971 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m integers l_1, l_2, …, l_m (1 ≤ l_i ≤ n)
Dreamoo... | instruction | 0 | 51,486 | 7 | 102,972 |
Tags: constructive algorithms, greedy, implementation, math
Correct Solution:
```
def f(n, m, l):
if sum(l) < n:
return [-1]
for i in range(m):
if n-l[i] < i:
return [-1]
c = 0
r = list(range(1, m+1))
for i in range(1, m+1):
c += l[-i]
if n-c <= m-i:
... | output | 1 | 51,486 | 7 | 102,973 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m integers l_1, l_2, …, l_m (1 ≤ l_i ≤ n)
Dreamoo... | instruction | 0 | 51,487 | 7 | 102,974 |
Tags: constructive algorithms, greedy, implementation, math
Correct Solution:
```
import sys
input=sys.stdin.readline
from math import *
n,m=map(int,input().split())
a=[int(x) for x in input().split()]
if sum(a)<n:
print(-1)
exit(0)
f=[]
d=[0 for i in range(n)]
prev=n+1
for i in range(m):
z=(n-a[m-i-1]+... | output | 1 | 51,487 | 7 | 102,975 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m integers l_1, l_2, …, l_m (1 ≤ l_i ≤ n)
Dreamoo... | instruction | 0 | 51,488 | 7 | 102,976 |
Tags: constructive algorithms, greedy, implementation, math
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
raw_input = stdin.readline
pr = stdout.write
def in_arr():
return map(int,raw_input().split())
def pr_num(... | output | 1 | 51,488 | 7 | 102,977 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon likes coloring cells very much.
There is a row of n cells. Initially, all cells are empty (don't contain any color). Cells are numbered from 1 to n.
You are given an integer m and m i... | instruction | 0 | 51,489 | 7 | 102,978 |
Yes | output | 1 | 51,489 | 7 | 102,979 |
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