Submission #972957

#	Time	Username	Problem	Language	Result	Execution time	Memory
972957		oyber	Art Exhibition (JOI18_art)	C++14	0 / 100	1 ms	348 KiB

art

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

int main() {
    int n;
    scanf("%d", &n);

    vector<pair<int, int>> v;
    for (int i = 0; i < n; i++) {
        int a, b;
        scanf("%d %d", &a, &b);
        v.push_back(make_pair(a, b));
    }

    sort(v.begin(), v.end());

    int score = v[0].second;
    int best_score = score;
    for (int i = 1; i < n; i++) {
        int dist = v[i].first - v[i-1].first;
        int diff = v[i].second - dist;

        if (score+diff > v[i].second) {
            score += diff;
        } else {
            score = v[i].second;
        }
        if (score > best_score) {
            best_score = score;
        }
        //printf("%d\n", score);
    }

    printf("%d\n", best_score);
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
art.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%d %d", &a, &b);
      |         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50