Submission #227335

#	Time	Username	Problem	Language	Result	Execution time	Memory
227335		dextro	동전 게임 (KOI15_coin)	C++14	9 / 100	29 ms	768 KiB

coin

#include <bits/stdc++.h>
using namespace std;

int K,C;

int ispossible(int n, int m, int round, int who)
{
    if(round==0)
        return 1;
    if(who==1){
        if(round!=C && m+C-round<n)
            return 0;
        return ispossible(n,m,round,0) || ispossible(n,m-1,round,0);
    }
    else{
        if(n+C-round<m)
            return 0;
        return ispossible(n,m,round-1,1) || ispossible(n-1,m,round-1,1);
    }
}

int main()
{
    scanf("%d %d",&K,&C);
    int n,m;
    for(int i=0; i<C; i++){
        scanf("%d %d",&n,&m);
        printf("%d\n",ispossible(n,m,C,1));
    }
    return 0;
}

Compilation message (stderr)

coin.cpp: In function 'int main()':
coin.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&K,&C);
     ~~~~~^~~~~~~~~~~~~~~
coin.cpp:27:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d",&n,&m);
         ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 0 / 19
• Subtask 3: 0 / 21
• Subtask 4: 0 / 51