답안 #335936

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
335936 2020-12-14T10:35:20 Z Killer2501 Art Exhibition (JOI18_art) C++14
100 / 100
222 ms 24940 KB
#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pll pair<ll, ll>
#define pb push_back
#define pii pair<ll ,pll>
#define task "C"

using namespace std;
const int N = 5e5+5;
const int mod = 1e9+7;
ll n, t, m, k, a[N], b[N], ans, tong, u, v;
string s;
bool ok;

pll p[N];
struct dang
{
    ll x, y, id;
    dang(){}
    dang(ll x, ll y, ll id): x(x), y(y), id(id){}
};
bool cmp(const dang& u, const dang& v)
{
    return ((u.x < v.x) || (u.x == v.x && u.y < v.y));
}

void sol()
{
    cin >> n;
    for(int i = 1; i <= n; i ++)
    {
        cin >> p[i].fi >> p[i].se;
    }
    sort(p+1, p+1+n);
    ans = p[1].se;
    a[1] = p[1].se;
    k = -p[1].fi;
    for(int i = 2; i <= n; i ++)
    {
        a[i] = a[i-1] + p[i].se;
        ans = max(p[i].se, max(ans, a[i] - p[i].fi - k));
        //cout << a[i] - p[i].fi <<" "<<k<<'\n';
        k = min(k, a[i-1] - p[i].fi);
    }
    cout << ans;

}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    if(fopen(task".inp", "r"))
    {
        freopen(task".inp", "r", stdin);
        freopen(task".out", "w", stdout);
    }
    int ntest = 1;
    //cin >> ntest;
    while(ntest -- > 0)
    sol();
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:57:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   57 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:58:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   58 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 412 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 412 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 412 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 3 ms 620 KB Output is correct
28 Correct 3 ms 620 KB Output is correct
29 Correct 3 ms 620 KB Output is correct
30 Correct 3 ms 620 KB Output is correct
31 Correct 3 ms 620 KB Output is correct
32 Correct 3 ms 620 KB Output is correct
33 Correct 3 ms 620 KB Output is correct
34 Correct 3 ms 620 KB Output is correct
35 Correct 3 ms 620 KB Output is correct
36 Correct 3 ms 620 KB Output is correct
37 Correct 3 ms 620 KB Output is correct
38 Correct 2 ms 620 KB Output is correct
39 Correct 3 ms 620 KB Output is correct
40 Correct 3 ms 620 KB Output is correct
41 Correct 2 ms 620 KB Output is correct
42 Correct 2 ms 620 KB Output is correct
43 Correct 3 ms 620 KB Output is correct
44 Correct 3 ms 660 KB Output is correct
45 Correct 3 ms 620 KB Output is correct
46 Correct 3 ms 620 KB Output is correct
47 Correct 3 ms 620 KB Output is correct
48 Correct 3 ms 620 KB Output is correct
49 Correct 3 ms 620 KB Output is correct
50 Correct 3 ms 620 KB Output is correct
51 Correct 3 ms 620 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 412 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 3 ms 620 KB Output is correct
28 Correct 3 ms 620 KB Output is correct
29 Correct 3 ms 620 KB Output is correct
30 Correct 3 ms 620 KB Output is correct
31 Correct 3 ms 620 KB Output is correct
32 Correct 3 ms 620 KB Output is correct
33 Correct 3 ms 620 KB Output is correct
34 Correct 3 ms 620 KB Output is correct
35 Correct 3 ms 620 KB Output is correct
36 Correct 3 ms 620 KB Output is correct
37 Correct 3 ms 620 KB Output is correct
38 Correct 2 ms 620 KB Output is correct
39 Correct 3 ms 620 KB Output is correct
40 Correct 3 ms 620 KB Output is correct
41 Correct 2 ms 620 KB Output is correct
42 Correct 2 ms 620 KB Output is correct
43 Correct 3 ms 620 KB Output is correct
44 Correct 3 ms 660 KB Output is correct
45 Correct 3 ms 620 KB Output is correct
46 Correct 3 ms 620 KB Output is correct
47 Correct 3 ms 620 KB Output is correct
48 Correct 3 ms 620 KB Output is correct
49 Correct 3 ms 620 KB Output is correct
50 Correct 3 ms 620 KB Output is correct
51 Correct 3 ms 620 KB Output is correct
52 Correct 204 ms 12176 KB Output is correct
53 Correct 209 ms 24684 KB Output is correct
54 Correct 203 ms 24684 KB Output is correct
55 Correct 216 ms 24684 KB Output is correct
56 Correct 202 ms 24940 KB Output is correct
57 Correct 201 ms 24684 KB Output is correct
58 Correct 209 ms 24684 KB Output is correct
59 Correct 217 ms 24812 KB Output is correct
60 Correct 200 ms 24812 KB Output is correct
61 Correct 200 ms 24556 KB Output is correct
62 Correct 203 ms 24840 KB Output is correct
63 Correct 204 ms 24816 KB Output is correct
64 Correct 222 ms 24684 KB Output is correct
65 Correct 204 ms 24692 KB Output is correct
66 Correct 205 ms 24772 KB Output is correct
67 Correct 207 ms 24764 KB Output is correct
68 Correct 222 ms 24796 KB Output is correct