oj.uz

Submission #122492

# Submission time Handle Problem Language Result Execution time Memory
122492 2019-06-28T12:33:58 Z egorlifar Art Exhibition (JOI18_art) C++17
100 / 100
 297 ms 29012 KB 
/*
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 */
#include <iostream>
#include <complex>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
#include <random>
#include <chrono>
 
using namespace std;

template<class T1, class T2> inline int chkmin(T1 &x, const T2 &y) {
    if (x > y) {
        x = y;
        return 1;
    }
    else {
        return 0;
    }
}

template<class T1, class T2> inline int chkmax(T1 &x, const T2 &y) {
    if (x < y) {
        x = y;
        return 1;
    }
    else {
        return 0;
    }
}

#define all(c) (c).begin(), (c).end()
#define sz(c) (int)(c).size()
#define mp make_pair
#define pb push_back
#define read(FILENAME) freopen((string(FILENAME) + ".in").c_str(), "r", stdin)
#define write(FILENAME) freopen((string(FILENAME) + ".out").c_str(), "w", stdout);

template<class iterator> void output(iterator begin, iterator end, ostream &out = cerr) {
    while (begin != end) {
        out << (*begin) << " ";
        begin++;
    }
    out << endl;
}


template<class T> void output(const T &x, ostream &out = cerr) {
    output(x.begin(), x.end(), out);
}

void fast_io() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0); 
}
const int MAXN = 500228;


int n;
long long a[MAXN], b[MAXN];


int main() {
    fast_io();
    //read("input");
    cin >> n;
    vector<pair<long long, int> > st;
    for (int i = 0; i < n; i++) {
        cin >> a[i] >> b[i];
        st.pb({a[i], i});
    }
    sort(all(st));
    long long sum = 0;
    long long ans = -1e18;
    long long kek = -1e18;
    for (int i = 0; i < n; i++) {
        chkmax(kek, st[i].first - sum);
       // cout << b[st[i].second] << endl;
        chkmax(ans, sum + b[st[i].second] - st[i].first + kek);
        sum += b[st[i].second];
    }
    cout << ans << endl;
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 436 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 436 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 4 ms 768 KB Output is correct
28 Correct 4 ms 768 KB Output is correct
29 Correct 5 ms 768 KB Output is correct
30 Correct 4 ms 768 KB Output is correct
31 Correct 4 ms 768 KB Output is correct
32 Correct 4 ms 768 KB Output is correct
33 Correct 4 ms 768 KB Output is correct
34 Correct 6 ms 768 KB Output is correct
35 Correct 4 ms 768 KB Output is correct
36 Correct 4 ms 768 KB Output is correct
37 Correct 4 ms 768 KB Output is correct
38 Correct 4 ms 768 KB Output is correct
39 Correct 4 ms 768 KB Output is correct
40 Correct 4 ms 768 KB Output is correct
41 Correct 4 ms 768 KB Output is correct
42 Correct 4 ms 768 KB Output is correct
43 Correct 4 ms 768 KB Output is correct
44 Correct 4 ms 768 KB Output is correct
45 Correct 4 ms 768 KB Output is correct
46 Correct 4 ms 768 KB Output is correct
47 Correct 4 ms 768 KB Output is correct
48 Correct 4 ms 768 KB Output is correct
49 Correct 4 ms 768 KB Output is correct
50 Correct 4 ms 768 KB Output is correct
51 Correct 4 ms 768 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 436 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 4 ms 768 KB Output is correct
28 Correct 4 ms 768 KB Output is correct
29 Correct 5 ms 768 KB Output is correct
30 Correct 4 ms 768 KB Output is correct
31 Correct 4 ms 768 KB Output is correct
32 Correct 4 ms 768 KB Output is correct
33 Correct 4 ms 768 KB Output is correct
34 Correct 6 ms 768 KB Output is correct
35 Correct 4 ms 768 KB Output is correct
36 Correct 4 ms 768 KB Output is correct
37 Correct 4 ms 768 KB Output is correct
38 Correct 4 ms 768 KB Output is correct
39 Correct 4 ms 768 KB Output is correct
40 Correct 4 ms 768 KB Output is correct
41 Correct 4 ms 768 KB Output is correct
42 Correct 4 ms 768 KB Output is correct
43 Correct 4 ms 768 KB Output is correct
44 Correct 4 ms 768 KB Output is correct
45 Correct 4 ms 768 KB Output is correct
46 Correct 4 ms 768 KB Output is correct
47 Correct 4 ms 768 KB Output is correct
48 Correct 4 ms 768 KB Output is correct
49 Correct 4 ms 768 KB Output is correct
50 Correct 4 ms 768 KB Output is correct
51 Correct 4 ms 768 KB Output is correct
52 Correct 212 ms 28756 KB Output is correct
53 Correct 211 ms 28876 KB Output is correct
54 Correct 210 ms 28884 KB Output is correct
55 Correct 216 ms 28892 KB Output is correct
56 Correct 219 ms 28924 KB Output is correct
57 Correct 222 ms 28884 KB Output is correct
58 Correct 219 ms 28888 KB Output is correct
59 Correct 238 ms 28884 KB Output is correct
60 Correct 212 ms 28904 KB Output is correct
61 Correct 245 ms 28756 KB Output is correct
62 Correct 244 ms 28904 KB Output is correct
63 Correct 223 ms 28884 KB Output is correct
64 Correct 297 ms 29012 KB Output is correct
65 Correct 214 ms 28756 KB Output is correct
66 Correct 218 ms 28916 KB Output is correct
67 Correct 249 ms 28820 KB Output is correct
68 Correct 229 ms 28884 KB Output is correct