제출 #672761

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
672761		tbzard	비스킷 담기 (IOI20_biscuits)	C++14	컴파일 에러	0 ms	0 KiB

biscuits

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

long long dp[210][10010];
long long count_tastiness(long long x, vector<long long> a){
    memset(dp, 0, sizeof(dp));
    vector<long long> b;
    long long sum = 0;
    for(int i=0;i<(int)a.size();i++){
        sum += a[i];
        if(sum > x) b.push_back(x), sum -= x;
        else b.push_back(sum), sum = 0;
        sum /= 2;
    }
    while(sum > 0){
        if(sum > x) b.push_back(x), sum -= x;
        sum /= 2;
    }

    dp[0][0] = 1;
    for(int i=0;i<(int)b.size();i++){
        for(int j=0;j<=10003;j++){
            if(dp[i][j]){
                dp[i+1][(j+b[i])/2] += dp[i][j];
                if(j+b[i] >= x) dp[i+1][(j+b[i]-x)/2] += dp[i][j];
            }
        }
    }

    long long ans = 0;
    for(int j=0;j<=10003;j++){
        ans += dp[(int)b.size()][j];
    }
    return ans;
}

int main(){
    long long n, x;
    scanf("%lld%lld", &n, &x);
    vector<long long> a(n);
    for(int i=0;i<n;i++){
        scanf("%lld", &a[i]);
    }
    printf("%lld\n", count_tastiness(n, a));
}

컴파일 시 표준 에러 (stderr) 메시지

biscuits.cpp: In function 'int main()':
biscuits.cpp:39:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |     scanf("%lld%lld", &n, &x);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~
biscuits.cpp:42:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |         scanf("%lld", &a[i]);
      |         ~~~~~^~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccFLR9tQ.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cckLm0VO.o:biscuits.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status