제출 #227335

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
227335	2020-04-27 02:58:19	dextro	동전 게임 (KOI15_coin)	C++14	9 / 100	29 ms	768 KiB

coin

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#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;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

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