oj.uz

Submission #923887

# Submission time Handle Problem Language Result Execution time Memory
923887 2024-02-08T04:41:37 Z Webbly Art Exhibition (JOI18_art) C++17
50 / 100
 1000 ms 21332 KB 
// Problem: A. ��� ��������
// Contest: Codeforces - EDLIGHT CAMP IOI #1
// URL: https://codeforces.com/group/3wt9BX8ZwP/contest/500376/problem/0
// Memory Limit: 256 MB
// Time Limit: 1000 ms
//
// Powered by CP Editor (https://cpeditor.org)

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//                  Solution
//                    Webbly, 27.01.2023
//
//
//                    Arsen ne katai
//
//
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////



#include<bits/stdc++.h>

/**
#include <algorithm>
#include <iostream>
#include <vector>
#include <queue>
#include <cmath>
#include <map>
#include <set>
#include <time.h>
*/
//#pragma GCC optimize("O3")
//#pragma GCC optimize("fast-loops")
/**
#pragma GCC optimize("-funsafe-loop-optimizations")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-fwhole-program")
#pragma GCC optimize("Ofast,no-stack-protector")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fcse-skip-blocks")
#pragma GCC optimize("-fdelete-null-pointer-checks")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-fstrict-overflow")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC target("avx")
*/
#define ll long long
#define pb push_back
#define mp make_pair
#define all(x) x.begin(),x.end()
#define flush cout.flush()

using namespace std;

const ll mod = (ll)1e9 + 7, mod3 = 998244353, inf = (ll)2e15, P = 31;

ll rnd(){
    ll x = rand();

    return rand() ^ x;
}

ll binpow (ll a, ll b){
    ll ans = 1;
    while(b){
        if (b & 1){
            ans *= a;

            ans %= mod;
        }

        b >>= 1;
        a *= a;

        a %= mod;
    }
    return ans;
}
ll gcd(ll a, ll b){
    return (b ? gcd(b, a % b) : a);
}
ll lcm(ll a, ll b){
    return a / gcd(a, b) * b;
}

struct tr{
    ll four, seven, inc, dec;
};

struct T{
    ll x, y;
};

ll n, m, k, a[500005], b[500005], p[500005];

T q[500005];

void sarsen(){
    cin >> n;
    
    for (ll i = 1; i <= n; i++){
    	cin >> q[i].x >> q[i].y;
    }
    
    sort (q + 1, q + n + 1, [](T a, T b){
    	return a.x < b.x;
    });
    
    ll ans = 0;
    
    for (ll i = 1; i <= n; i++){
    	p[i] = p[i - 1] + q[i].y;
    	
    	for (ll j = 1; j <= i; j++){
    		ans = max(ans, p[i] - p[j - 1] - q[i].x + q[j].x);
    	}
    }
    
    cout << ans;
}

int main(){
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);

    //freopen("justforfood.in", "r", stdin);
    //freopen("justforfood.out", "w", stdout);

    ll TT = 1, tests = 1;

    //cin >> TT;

    while(TT--){
        //cout << "Case " << tests << ": ";

        sarsen();

        //tests++;
    }

    return 0;
}
/**

3 9 15 21 27 33 39 45

5 25 35 55 65 85 95


*/

Compilation message

art.cpp: In function 'int main()':
art.cpp:160:16: warning: unused variable 'tests' [-Wunused-variable]
  160 |     ll TT = 1, tests = 1;
      |                ^~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 13 ms 604 KB Output is correct
28 Correct 13 ms 604 KB Output is correct
29 Correct 14 ms 604 KB Output is correct
30 Correct 13 ms 604 KB Output is correct
31 Correct 13 ms 604 KB Output is correct
32 Correct 13 ms 716 KB Output is correct
33 Correct 13 ms 600 KB Output is correct
34 Correct 13 ms 604 KB Output is correct
35 Correct 13 ms 700 KB Output is correct
36 Correct 13 ms 476 KB Output is correct
37 Correct 14 ms 952 KB Output is correct
38 Correct 14 ms 604 KB Output is correct
39 Correct 13 ms 604 KB Output is correct
40 Correct 13 ms 604 KB Output is correct
41 Correct 14 ms 600 KB Output is correct
42 Correct 13 ms 604 KB Output is correct
43 Correct 13 ms 708 KB Output is correct
44 Correct 13 ms 600 KB Output is correct
45 Correct 13 ms 704 KB Output is correct
46 Correct 13 ms 704 KB Output is correct
47 Correct 13 ms 604 KB Output is correct
48 Correct 13 ms 604 KB Output is correct
49 Correct 13 ms 660 KB Output is correct
50 Correct 13 ms 600 KB Output is correct
51 Correct 13 ms 600 KB Output is correct

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 13 ms 604 KB Output is correct
28 Correct 13 ms 604 KB Output is correct
29 Correct 14 ms 604 KB Output is correct
30 Correct 13 ms 604 KB Output is correct
31 Correct 13 ms 604 KB Output is correct
32 Correct 13 ms 716 KB Output is correct
33 Correct 13 ms 600 KB Output is correct
34 Correct 13 ms 604 KB Output is correct
35 Correct 13 ms 700 KB Output is correct
36 Correct 13 ms 476 KB Output is correct
37 Correct 14 ms 952 KB Output is correct
38 Correct 14 ms 604 KB Output is correct
39 Correct 13 ms 604 KB Output is correct
40 Correct 13 ms 604 KB Output is correct
41 Correct 14 ms 600 KB Output is correct
42 Correct 13 ms 604 KB Output is correct
43 Correct 13 ms 708 KB Output is correct
44 Correct 13 ms 600 KB Output is correct
45 Correct 13 ms 704 KB Output is correct
46 Correct 13 ms 704 KB Output is correct
47 Correct 13 ms 604 KB Output is correct
48 Correct 13 ms 604 KB Output is correct
49 Correct 13 ms 660 KB Output is correct
50 Correct 13 ms 600 KB Output is correct
51 Correct 13 ms 600 KB Output is correct
52 Execution timed out 1040 ms 21332 KB Time limit exceeded
53 Halted 0 ms 0 KB -