Submission #341115

#	Time	Username	Problem	Language	Result	Execution time	Memory
341115		tengiz05	UFO (IZhO14_ufo)	C++17	25 / 100	2095 ms	14700 KiB

ufo

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define FASTIO ios_base::sync_with_stdio(false); cin.tie(NULL);
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define pii pair<int, int>
#define ff first
#define ss second
#define PI acos(-1)
#define ld long double
template<class T> bool chmin(T& a, const T& b) {return a>b? a=b, true:false;}
template<class T> bool chmax(T& a, const T& b) {return a<b? a=b, true:false;}
const int mod = 1e9+7, N = 1005;
int msb(int val){return sizeof(int)*8-__builtin_clzll(val)-1;}
int a[N][N], n, m, k, r, P;
int pr[N][N];
void solve(int test_case){
	int i, j;
	cin >> n >> m >> r >> k >> P;
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			cin >> a[i][j];
		}
	}
	while(k--){
		char typ;
		cin >> typ;
		int pos, height;
		cin >> pos >> height;
		if(typ == 'N'){
			int x=1, y=pos;
			int remaining = r;
			while(x < n && remaining){
				if(a[x][y] >= height){
					a[x][y]--;
					remaining--;
				}x++;
			}
		}else if(typ == 'S'){
			int x=n, y=pos;
			int remaining = r;
			while(x > 0 && remaining){
				if(a[x][y] >= height){
					a[x][y]--;
					remaining--;
				}x--;
			}
		}else if(typ == 'E'){
			int x=pos, y=m;
			int remaining = r;
			while(y > 0 && remaining){
				if(a[x][y] >= height){
					a[x][y]--;
					remaining--;
				}y--;
			}
		}else {
			int x=pos, y=1;
			int remaining = r;
			while(y < m && remaining){
				if(a[x][y] >= height){
					a[x][y]--;
					remaining--;
				}y++;
			}
		}
	}
/*	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			cout << a[i][j] << ' ';
		}cout << '\n';
	}
	*/
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			pr[i][j] = pr[i][j-1] + a[i][j];
		}
		for(j=1;j<=m;j++){
			pr[i][j] += pr[i-1][j];
		}
	}
	int ans = 0;
	for(i=P;i<=n;i++){
		for(j=P;j<=m;j++){
			int area = pr[i][j] + pr[i-P][j-P];
			area -= pr[i-P][j];
			area -= pr[i][j-P];
			chmax(ans, area);
		}
	}cout << ans << '\n';
	return;
}

signed main(){
	FASTIO;
#define MULTITEST 0
#if MULTITEST
	int _T;
	cin >> _T;
	for(int T_CASE = 1; T_CASE <= _T; T_CASE++)
		solve(T_CASE);
#else
	solve(1);
#endif
	return 0;
}

• Subtask 1: 25 / 100