Submission #1174428

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1174428	2025-03-27 01:51:26	Pacybwoah	Maxcomp (info1cup18_maxcomp)	C++20	100 / 100	79 ms	39752 KiB

maxcomp

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#include<iostream>
#include<vector>
#include<algorithm>
#include<utility>
#include<cmath>
using namespace std;
typedef long long ll;
const ll inf = 1e18;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    vector<vector<ll>> vec(n + 1, vector<ll>(m + 1)), tl(n + 2, vector<ll>(m + 2, -inf)), tr(n + 2, vector<ll>(m + 2, -inf)), bl(n + 2, vector<ll>(m + 2, -inf)), br(n + 2, vector<ll>(m + 2, -inf));
    for(int i = 1; i <= n; i++) for(int j = 1; j <= m; j++) cin >> vec[i][j];
    ll ans = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            tl[i][j] = max(tl[i - 1][j], tl[i][j - 1]);
            tl[i][j] = max(tl[i][j], -vec[i][j] + i + j);
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = m; j > 0; j--){
            tr[i][j] = max(tr[i - 1][j], tr[i][j + 1]);
            tr[i][j] = max(tr[i][j], -vec[i][j] + i - j);
        }
    }
    for(int i = n; i > 0; i--){
        for(int j = 1; j <= m; j++){
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 30 / 30
• Subtask 4: 40 / 40