Submission #547882

#	Time	Username	Problem	Language	Result	Execution time	Memory
547882		racsosabe	Hyper-minimum (IZhO11_hyper)	C++14	0 / 100	2 ms	340 KiB

hyper

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

const int N = 40;
const int LOG = 8;
const int MAX = 1500000 + 5;

int n;
int m;
int len;
int v[MAX];
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 < n; i++){
			for(int j = 0; j < n; j++){
				for(int k = 0; k < n; k++){
					for(int l = 0; l < n; l++){
						vector<int> pos = {i, j, k, 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 i, int j, int k, int l, int dis, int pot){
	int ans = INT_MAX;
	vector<int> pos = {i, j, k, l};
	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;
		}
		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();
	int pot = 0;
	int dis = 1;
	while((dis << 1) <= m){
		dis <<= 1;
		pot++;
	}
	vector<int> v;
	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++){
					v[len++] = query(i, j, k, l, dis, pot);
				}
			}
		}
	}
	for(int i = 0; i < len; i++) printf("%d%c", v[i], " \n"[i + 1 == len]);
	return 0;
}

Compilation message (stderr)

hyper.cpp: In function 'int main()':
hyper.cpp:65:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |  scanf("%d %d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~
hyper.cpp:70:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   70 |      scanf("%d", &a[i][j][k][l]);
      |      ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100