제출 #101766

#제출 시각아이디문제언어결과실행 시간메모리
101766SomeoneUnknownIce Hockey World Championship (CEOI15_bobek)C++14
40 / 100
1083 ms384 KiB
#include <bits/stdc++.h>
using namespace std;

long long n;
long long b;

long long tix[40];

long long ways(long long spent, int ontix){
    if(spent > b) return 0;
    if(ontix == n){
            //printf("%lld\n", spent);
            return 1;
    }
    return ways(spent, ontix+1) + ways(spent+tix[ontix], ontix+1);
}

int main(){
    scanf("%lld %lld", &n, &b);
    //printf("%lld", b);
    for(int i = 0; i < n; i++){
        scanf("%lld", &tix[i]);
    }
    printf("%lld", ways(0LL, 0));
}

컴파일 시 표준 에러 (stderr) 메시지

bobek.cpp: In function 'int main()':
bobek.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld %lld", &n, &b);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~
bobek.cpp:22:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &tix[i]);
         ~~~~~^~~~~~~~~~~~~~~~~
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