답안 #1079956

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1079956 2024-08-29T04:56:25 Z _rain_ Art Exhibition (JOI18_art) C++14
100 / 100
152 ms 28724 KB
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fixbug true

void SETIO(string name = ""){
    if (name=="") return;
    freopen((name+".inp").c_str(),"r",stdin);
//    freopen((name+".out").c_str(),"w",stdout);
    return;
}

const int maxn = 500000;
const ll INF = (ll)1e18;
#define fi first
#define se second
pair<ll,ll> a[maxn+2] ;
ll pre[maxn+2] , f[maxn+2];
int n;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    SETIO("");

    cin >> n;
    for (int i = 1; i<= n; ++i) cin >> a[i].fi >> a[i].se;
    sort(a+1,a+n+1);
    for (int i = 1; i <= n; ++i) pre[i] = pre[i - 1] + a[i].se ;
    f[0] = -INF;
    ll ans = 0;
    for (int i = 1; i <= n; ++i){
        f[i] = max(f[i - 1] , -pre[i-1] + a[i].fi);
        ans = max(ans , pre[i] + f[i] - a[i].fi);

    }
    cout << ans;
}

Compilation message

art.cpp: In function 'void SETIO(std::string)':
art.cpp:8:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     freopen((name+".inp").c_str(),"r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 2 ms 2648 KB Output is correct
28 Correct 2 ms 2652 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2652 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 2 ms 2652 KB Output is correct
33 Correct 2 ms 2520 KB Output is correct
34 Correct 2 ms 2652 KB Output is correct
35 Correct 2 ms 2652 KB Output is correct
36 Correct 2 ms 2648 KB Output is correct
37 Correct 2 ms 2652 KB Output is correct
38 Correct 2 ms 2568 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2632 KB Output is correct
41 Correct 2 ms 2648 KB Output is correct
42 Correct 2 ms 2648 KB Output is correct
43 Correct 2 ms 2648 KB Output is correct
44 Correct 2 ms 2652 KB Output is correct
45 Correct 2 ms 2652 KB Output is correct
46 Correct 2 ms 2644 KB Output is correct
47 Correct 2 ms 2652 KB Output is correct
48 Correct 2 ms 2904 KB Output is correct
49 Correct 2 ms 2628 KB Output is correct
50 Correct 2 ms 2652 KB Output is correct
51 Correct 2 ms 2652 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 2 ms 2648 KB Output is correct
28 Correct 2 ms 2652 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2652 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 2 ms 2652 KB Output is correct
33 Correct 2 ms 2520 KB Output is correct
34 Correct 2 ms 2652 KB Output is correct
35 Correct 2 ms 2652 KB Output is correct
36 Correct 2 ms 2648 KB Output is correct
37 Correct 2 ms 2652 KB Output is correct
38 Correct 2 ms 2568 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2632 KB Output is correct
41 Correct 2 ms 2648 KB Output is correct
42 Correct 2 ms 2648 KB Output is correct
43 Correct 2 ms 2648 KB Output is correct
44 Correct 2 ms 2652 KB Output is correct
45 Correct 2 ms 2652 KB Output is correct
46 Correct 2 ms 2644 KB Output is correct
47 Correct 2 ms 2652 KB Output is correct
48 Correct 2 ms 2904 KB Output is correct
49 Correct 2 ms 2628 KB Output is correct
50 Correct 2 ms 2652 KB Output is correct
51 Correct 2 ms 2652 KB Output is correct
52 Correct 152 ms 28472 KB Output is correct
53 Correct 122 ms 28496 KB Output is correct
54 Correct 125 ms 28496 KB Output is correct
55 Correct 126 ms 28604 KB Output is correct
56 Correct 119 ms 28496 KB Output is correct
57 Correct 127 ms 28496 KB Output is correct
58 Correct 115 ms 28724 KB Output is correct
59 Correct 122 ms 28548 KB Output is correct
60 Correct 115 ms 28600 KB Output is correct
61 Correct 122 ms 28456 KB Output is correct
62 Correct 131 ms 28608 KB Output is correct
63 Correct 123 ms 28616 KB Output is correct
64 Correct 123 ms 28496 KB Output is correct
65 Correct 125 ms 28656 KB Output is correct
66 Correct 122 ms 28720 KB Output is correct
67 Correct 122 ms 28496 KB Output is correct
68 Correct 119 ms 28496 KB Output is correct