Submission #547868

#	Time	Username	Problem	Language	Result	Execution time	Memory
547868		racsosabe	Hyper-minimum (IZhO11_hyper)	C++14	0 / 100	1346 ms	262144 KiB

hyper

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

const int N = 40;
const int LOG = 20;

int n;
int m;
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){
		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 = 31 - __builtin_clz(m);
	int 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.emplace_back(query(i, j, k, l, dis, pot));
				}
			}
		}
	}
	for(int i = 0; i < v.size(); i++) printf("%d%c", v[i], " \n"[i + 1 == v.size()]);
	return 0;
}

Compilation message (stderr)

hyper.cpp: In function 'int main()':
hyper.cpp:84:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |  for(int i = 0; i < v.size(); i++) printf("%d%c", v[i], " \n"[i + 1 == v.size()]);
      |                 ~~^~~~~~~~~~
hyper.cpp:84:69: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |  for(int i = 0; i < v.size(); i++) printf("%d%c", v[i], " \n"[i + 1 == v.size()]);
      |                                                               ~~~~~~^~~~~~~~~~~
hyper.cpp:61:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |  scanf("%d %d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~
hyper.cpp:66:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |      scanf("%d", &a[i][j][k][l]);
      |      ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100