Submission #577875

#	Time	Username	Problem	Language	Result	Execution time	Memory
577875		Trisanu_Das	Art Exhibition (JOI18_art)	C++17	Compilation error	0 ms	0 KiB

art

#include <bits/stdc++.h>
using namespace std;
 
int main(){
    int n; cin >> n;
    vector<pair<int, int>> a(n);
    for (auto p : v) cin >> p.first >> p.second;
    sort(a.begin(), a.end());
    int pref[n + 1]
    for (int i = 0; i < n; i++) pref[i + 1] = pref[i] + v[i][1];
    vector diff(pref + 1, pref + n + 1);
    for (int i = 0; i < n; i++) diff[i] -= v[i][0];
    long ans = 0, tmp = INT_MIN / 2;
    for (int i = n - 1; i > -1; i--)
    {
        tmp = max(tmp, diff[i]); ans = max(ans, tmp + v[i][0] - pref[i]);
    }
    cout << ans << '\n';
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:7:19: error: 'v' was not declared in this scope
    7 |     for (auto p : v) cin >> p.first >> p.second;
      |                   ^
art.cpp:10:5: error: expected initializer before 'for'
   10 |     for (int i = 0; i < n; i++) pref[i + 1] = pref[i] + v[i][1];
      |     ^~~
art.cpp:10:21: error: 'i' was not declared in this scope
   10 |     for (int i = 0; i < n; i++) pref[i + 1] = pref[i] + v[i][1];
      |                     ^
art.cpp:11:17: error: 'pref' was not declared in this scope
   11 |     vector diff(pref + 1, pref + n + 1);
      |                 ^~~~
art.cpp:12:44: error: 'v' was not declared in this scope
   12 |     for (int i = 0; i < n; i++) diff[i] -= v[i][0];
      |                                            ^
art.cpp:16:55: error: 'v' was not declared in this scope
   16 |         tmp = max(tmp, diff[i]); ans = max(ans, tmp + v[i][0] - pref[i]);
      |                                                       ^