제출 #402657

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
402657	2021-05-12 08:08:18	Ruxandra985	Bigger segments (IZhO19_segments)	C++14	100 / 100	126 ms	14948 KiB

segments

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#include <bits/stdc++.h>
#define DIMN 500010
using namespace std;
pair <int, int> dp[DIMN];
int v[DIMN];
long long sp[DIMN];
int main()
{
    FILE *fin = stdin;
    FILE *fout = stdout;
    int n , i , st , dr , mid;
    fscanf (fin,"%d",&n);
    for (i = 1 ; i <= n ; i++){
        fscanf (fin,"%d",&v[i]);
        sp[i] = v[i] + sp[i - 1];
        dp[i] = make_pair(1 ,  1);/// o secventa, incepe la 1 si se termina la i
    }
    for (i = 1 ; i <= n ; i++){
        if (i > 1){
            /// 1. iei o sg secventa de la 1 la i, initializat
            /// 2. prelungesti cu 1 secventa de la i - 1
            if (dp[i].first < dp[i - 1].first || (dp[i].first == dp[i - 1].first && dp[i].second < dp[i - 1].second)){
                dp[i].first = dp[i - 1].first;
                dp[i].second = dp[i - 1].second;
            }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

segments.cpp: In function 'int main()':
segments.cpp:12:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     fscanf (fin,"%d",&n);
      |     ~~~~~~~^~~~~~~~~~~~~
segments.cpp:14:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         fscanf (fin,"%d",&v[i]);
      |         ~~~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 36 / 36
• Subtask 5: 27 / 27