제출 #242334

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
242334		SomeoneUnknown	Triple Jump (JOI19_jumps)	C++14	5 / 100	4059 ms	13208 KiB

jumps

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

int main(){
    int n;
    scanf("%d", &n);
    int firm[n];
    for(int i = 0; i < n; ++i){
        scanf("%d", &firm[i]);
    }
    int best[n][n];
    for(int i = 0; i < n; i++){
        for(int j = 0; j < n; j++){
            best[i][j] = 0;
            if(j <= i+1){
                continue;
            }
            int base = firm[i]+firm[j];
            for(int k = i+1; k <= (i+j)/2; k++){
                best[i][j] = max(best[i][j], base + firm[k]);
            }
        }
    }
    int q;
    scanf("%d", &q);
    for(int i = 0; i < q; i++){
        int a, c;
        scanf("%d %d", &a, &c);
        int cbest = 0;
        for(int j = a; j < c; j++){
            for(int k = j+2; k <= c; k++){
                cbest = max(cbest, best[j-1][k-1]);
            }
        }
        printf("%d\n", cbest);
    }
}

컴파일 시 표준 에러 (stderr) 메시지

jumps.cpp: In function 'int main()':
jumps.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
jumps.cpp:9:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &firm[i]);
         ~~~~~^~~~~~~~~~~~~~~~
jumps.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &q);
     ~~~~~^~~~~~~~~~
jumps.cpp:28:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &a, &c);
         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 14
• Subtask 3: 0 / 27
• Subtask 4: 0 / 54