Submission #967411

#	Time	Username	Problem	Language	Result	Execution time	Memory
967411		Isam	Zemljište (COCI22_zemljiste)	C++17	30 / 70	2025 ms	5972 KiB

Main

#include<bits/stdc++.h>
using namespace std;

int r, s, a, b, c[501][501];

long long pref[501][501], ans;

inline long long get_sm(int x1, int x2, int y1, int y2){
	return pref[x2][y2] - pref[x1][y2] - pref[x2][y1] + pref[x1][y1];
}

signed main(){
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> r >> s >> a >> b;
	for(register int i = 1; i <= r; ++i){
		for(register int j = 1; j <= s; ++j){
			cin >> c[i][j];
			ans += c[i][j];
			pref[i][j] = pref[i-1][j] + pref[i][j-1] - pref[i-1][j-1] + c[i][j]; 
		}
	}
	
	for(register int x1 = 0; x1 <= r; ++x1){
		
		for(register int y1 = 0; y1 <= s; ++y1){
			
			for(register int x2 = x1; x2 <= r; ++x2){
				
				for(register int y2 = y1; y2 <= s; ++y2){
					
					if(x1==x2 && y1==y2) continue;
					
					long long cur = get_sm(x1, x2, y1, y2);
					
					ans = min(ans, abs(cur - a) + abs(cur - b));
					
					if(cur >= max(a, b)) break;
					
				}
				
			}
			
			
		}
		
	}
	
	
	cout << ans << '\n';
	
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:15:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   15 |  for(register int i = 1; i <= r; ++i){
      |                   ^
Main.cpp:16:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   16 |   for(register int j = 1; j <= s; ++j){
      |                    ^
Main.cpp:23:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   23 |  for(register int x1 = 0; x1 <= r; ++x1){
      |                   ^~
Main.cpp:25:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   25 |   for(register int y1 = 0; y1 <= s; ++y1){
      |                    ^~
Main.cpp:27:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   27 |    for(register int x2 = x1; x2 <= r; ++x2){
      |                     ^~
Main.cpp:29:22: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   29 |     for(register int y2 = y1; y2 <= s; ++y2){
      |                      ^~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 0 / 40