oj.uz

Submission #204696

# Submission time Handle Problem Language Result Execution time Memory
204696 2020-02-26T17:14:25 Z my99n Art Exhibition (JOI18_art) C++14
0 / 100
 5 ms 376 KB 
#include<bits/stdc++.h>
using namespace std;

pair<long long,long long> a[500100];
long long b[500100];

int main(){
    int n;
    scanf("%d", &n);
    for (int i = 0; i < n; i++) scanf("%lld %lld", &a[i].first, &a[i].second);
    sort(a, a+n);
    b[0] = a[0].second; long long ans = b[0];
    for (int i = 1; i < n; i++) b[i] = a[i].second - a[i].first + a[i-1].first;
    for (int i = 1; i < n; i++) b[i] += b[i-1], b[i] = b[i] < 0 ? 0 : b[i], ans = max(ans, b[i]);
    printf("%lld", ans);
    return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
art.cpp:10:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 0; i < n; i++) scanf("%lld %lld", &a[i].first, &a[i].second);
                                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -