Submission #547891

# Submission time Handle Problem Language Result Execution time Memory
547891 2022-04-12T01:17:44 Z racsosabe Hyper-minimum (IZhO11_hyper) C++14
100 / 100
784 ms 66180 KB
#include<bits/stdc++.h>
using namespace::std;

const int N = 35;
const int LOG = 8;

int n;
int m;
int len;
int pot;
int dis;
int pos[5];
int a[N][N][N][N];
int ST[N][N][N][N][LOG];

void init(){
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			for(int k = 0; k < n; k++){
				for(int l = 0; l < n; l++){
					ST[i][j][k][l][0] = a[i][j][k][l];
				}
			}
		}
	}
	for(int d = 1, dis = 1; 2 * dis <= m; d++, dis <<= 1){
		assert(d < 8);
		for(int i = 0; i + 2 * dis - 1 < n; i++){
			for(int j = 0; j + 2 * dis - 1 < n; j++){
				for(int k = 0; k + 2 * dis - 1 < n; k++){
					for(int l = 0; l + 2 * dis - 1 < n; l++){
						pos[0] = i;
						pos[1] = j;
						pos[2] = k;
						pos[3] = l;
						ST[i][j][k][l][d] = INT_MAX;
						for(int mask = 0; mask < 16; mask++){
							for(int at = 0, p = 1; at < 4; at++, p <<= 1){
								if(mask & p) pos[at] += dis;
							}
							ST[i][j][k][l][d] = min(ST[i][j][k][l][d], ST[pos[0]][pos[1]][pos[2]][pos[3]][d - 1]);
							for(int at = 0, p = 1; at < 4; at++, p <<= 1){
								if(mask & p) pos[at] -= dis;
							}
						}
					}
				}
			}
		}
	}
}

int query(){
	int ans = INT_MAX;
	for(int mask = 0; mask < 16; mask++){
		for(int at = 0, p = 1; at < 4; at++, p <<= 1){
			if(mask & p) pos[at] += m - dis;
		}
		if(*max_element(pos, pos + 4) >= n) while(true);
		ans = min(ans, ST[pos[0]][pos[1]][pos[2]][pos[3]][pot]);
		for(int at = 0, p = 1; at < 4; at++, p <<= 1){
			if(mask & p) pos[at] -= m - dis;
		}
	}
	return ans;
}

int main(){
	scanf("%d %d", &n, &m);
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			for(int k = 0; k < n; k++){
				for(int l = 0; l < n; l++){
					scanf("%d", &a[i][j][k][l]);
				}
			}
		}
	}
	init();
	pot = 0;
	dis = 1;
	while((dis << 1) <= m){
		dis <<= 1;
		pot++;
	}
	for(int i = 0; i + m - 1 < n; i++){
		for(int j = 0; j + m - 1 < n; j++){
			for(int k = 0; k + m - 1 < n; k++){
				for(int l = 0; l + m - 1 < n; l++){
					pos[0] = i;
					pos[1] = j;
					pos[2] = k;
					pos[3] = l;
					printf("%d%c", query(), " \n"[i + m == n and j + m == n and k + m == n and l + m == n]);
				}
			}
		}
	}
	return 0;
}

Compilation message

hyper.cpp: In function 'int main()':
hyper.cpp:69:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |  scanf("%d %d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~
hyper.cpp:74:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   74 |      scanf("%d", &a[i][j][k][l]);
      |      ~~~~~^~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 6 ms 2132 KB Output is correct
4 Correct 6 ms 2132 KB Output is correct
5 Correct 7 ms 2196 KB Output is correct
6 Correct 24 ms 6008 KB Output is correct
7 Correct 19 ms 5892 KB Output is correct
8 Correct 61 ms 12528 KB Output is correct
9 Correct 69 ms 14032 KB Output is correct
10 Correct 60 ms 12436 KB Output is correct
11 Correct 203 ms 23484 KB Output is correct
12 Correct 344 ms 38904 KB Output is correct
13 Correct 340 ms 37640 KB Output is correct
14 Correct 440 ms 43588 KB Output is correct
15 Correct 660 ms 59076 KB Output is correct
16 Correct 516 ms 47564 KB Output is correct
17 Correct 514 ms 48808 KB Output is correct
18 Correct 784 ms 66180 KB Output is correct
19 Correct 657 ms 55184 KB Output is correct
20 Correct 667 ms 53136 KB Output is correct