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- #include <iostream>
- #include <vector>
- int main() {
- int a, b;
- std::cin>>a>>b;
- int map[a][a];
- std::vector<std::pair<int, int>> pairs;
- int j,k;
- for (int x = 0; x < b; x++) {
- std::cin>>j>>k;
- pairs.push_back(std::pair<int,int>(j-1,k-1));
- }
- for (int x = 0; x < a; x++) {
- for (int y = 0; y < a; y++) {
- map[x][y] = 0;
- }
- }
- for (int x = 0; x < a; x++)
- for (int y = 0; y < a; y++) {
- for (int l = 0; l < pairs.size(); l++) {
- if (pairs[l].first == x && pairs[l].second == y) {
- map[x][y] = 1;
- map[y][x] = 1;
- }
- }
- }
- for (int x = 0; x < a; x++) {
- for (int y = 0; y < a; y++) {
- std::cout<<map[x][y]<<" ";
- }
- std::cout<<std::endl;
- }
- return 0;
- }
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