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Submission #967447

# Submission time Handle Problem Language Result Execution time Memory
967447 2024-04-22T06:31:27 Z Isam Zemljište (COCI22_zemljiste) C++17
70 / 70
 609 ms 5692 KB 
#include<bits/stdc++.h>
using namespace std;

constexpr long long inf = 1e18 + 7;

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

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

inline long long get_cost(long long sm){
	return abs(sm - a) + abs(sm - b);
}

inline long long get_sm(int x1, int x2, int y1, int y2){
	long long res = pref[x2][y2] - pref[x1][y2] - pref[x2][y1] + pref[x1][y1];
	//if(x1!=x2||y1!=y2) ans = min(ans, get_cost(res));
	return res;
}

signed main(){
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> r >> s >> a >> b;
	if(a>b) swap(a, b);
	for(register int i = 1; i <= r; ++i){
		for(register int j = 1; j <= s; ++j){
			cin >> c[i][j];
			pref[i][j] = pref[i-1][j] + pref[i][j-1] - pref[i-1][j-1] + c[i][j]; 
		}
	}
	
	ans = pref[r][s];
	
	long long sm(0), cost(0), next_sm(0), cur_sm(0), cur_cost(inf), prev_cost(inf), next_cost(inf);
	
	for(register int x1 = 0; x1 <= r; ++x1){
		for(register int x2 = x1; x2 <= r; ++x2){
			
			int y1(0), y2(0);
			
			cur_cost = prev_cost = next_cost = inf;
			
			while(max(y1, y2) <= s){
				
				next_sm = get_sm(x1, x2, y1, y2 + 1);
				
				next_cost = get_cost(next_sm);
				
				
				if(next_cost > prev_cost){
					
					++y1;
					
					
					
				}else{
					
					++y2;
				
				}
				
				cur_sm = get_sm(x1, x2, y1, y2);
				
				cur_cost = get_cost(cur_sm);
				
				if(x1!=x2||y1!=y2) ans = min(ans, cur_cost);
				
				prev_cost = cur_cost;
					
			}
			
			
			
		}
	}
	
	cout << ans << '\n';
	
	
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:24:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   24 |  for(register int i = 1; i <= r; ++i){
      |                   ^
Main.cpp:25:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   25 |   for(register int j = 1; j <= s; ++j){
      |                    ^
Main.cpp:35:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   35 |  for(register int x1 = 0; x1 <= r; ++x1){
      |                   ^~
Main.cpp:36:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   36 |   for(register int x2 = x1; x2 <= r; ++x2){
      |                    ^~
Main.cpp:33:12: warning: unused variable 'sm' [-Wunused-variable]
   33 |  long long sm(0), cost(0), next_sm(0), cur_sm(0), cur_cost(inf), prev_cost(inf), next_cost(inf);
      |            ^~
Main.cpp:33:19: warning: unused variable 'cost' [-Wunused-variable]
   33 |  long long sm(0), cost(0), next_sm(0), cur_sm(0), cur_cost(inf), prev_cost(inf), next_cost(inf);
      |                   ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2560 KB Output is correct
6 Correct 1 ms 2516 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2560 KB Output is correct
6 Correct 1 ms 2516 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 3 ms 2648 KB Output is correct
11 Correct 6 ms 2652 KB Output is correct
12 Correct 6 ms 2652 KB Output is correct
13 Correct 7 ms 2652 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 6 ms 2736 KB Output is correct
16 Correct 6 ms 2652 KB Output is correct
17 Correct 6 ms 2648 KB Output is correct
18 Correct 5 ms 2532 KB Output is correct
19 Correct 5 ms 2652 KB Output is correct
20 Correct 5 ms 2652 KB Output is correct
21 Correct 5 ms 2652 KB Output is correct
22 Correct 7 ms 2652 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2560 KB Output is correct
6 Correct 1 ms 2516 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 3 ms 2648 KB Output is correct
11 Correct 6 ms 2652 KB Output is correct
12 Correct 6 ms 2652 KB Output is correct
13 Correct 7 ms 2652 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 6 ms 2736 KB Output is correct
16 Correct 6 ms 2652 KB Output is correct
17 Correct 6 ms 2648 KB Output is correct
18 Correct 5 ms 2532 KB Output is correct
19 Correct 5 ms 2652 KB Output is correct
20 Correct 5 ms 2652 KB Output is correct
21 Correct 5 ms 2652 KB Output is correct
22 Correct 7 ms 2652 KB Output is correct
23 Correct 524 ms 5692 KB Output is correct
24 Correct 548 ms 5684 KB Output is correct
25 Correct 588 ms 5688 KB Output is correct
26 Correct 589 ms 5684 KB Output is correct
27 Correct 381 ms 4916 KB Output is correct
28 Correct 552 ms 5684 KB Output is correct
29 Correct 596 ms 5692 KB Output is correct
30 Correct 518 ms 5688 KB Output is correct
31 Correct 69 ms 3416 KB Output is correct
32 Correct 601 ms 5688 KB Output is correct
33 Correct 566 ms 5688 KB Output is correct
34 Correct 587 ms 5684 KB Output is correct
35 Correct 531 ms 5688 KB Output is correct
36 Correct 565 ms 5688 KB Output is correct
37 Correct 526 ms 5688 KB Output is correct
38 Correct 546 ms 5692 KB Output is correct
39 Correct 574 ms 5688 KB Output is correct
40 Correct 544 ms 5688 KB Output is correct
41 Correct 560 ms 4540 KB Output is correct
42 Correct 542 ms 4444 KB Output is correct
43 Correct 539 ms 4544 KB Output is correct
44 Correct 609 ms 4544 KB Output is correct