제출 #95558

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
95558		oolimry	Nizin (COCI16_nizin)	C++14	100 / 100	86 ms	10232 KiB

nizin

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    //freopen("i.txt","r",stdin);
    scanf("%d",&n);

    long long arr[n];

    for(int i = 0;i < n;i++){
        scanf("%lld",&arr[i]);
    }

    int lindex = 0;
    long long lsum = arr[0];
    int rindex = n-1;
    long long rsum = arr[n-1];
    int steps = 0;
    while(lindex < rindex){
            //printf("%d %d\n",lindex,rindex);
        if(lsum == rsum){
            lindex++;
            rindex--;
            rsum = arr[rindex];
            lsum = arr[lindex];
        }
        else if(lsum > rsum){
            rindex--;
            rsum += arr[rindex];
            steps++;
        }
        else{
            lindex++;
            lsum += arr[lindex];
            steps++;
        }
    }
    printf("%d",steps);
    for(int i = 0;i < n;i++){
        //printf("%lld ",arr[i]);
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

nizin.cpp: In function 'int main()':
nizin.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
nizin.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld",&arr[i]);
         ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10