1039. Course List for Student (25)

#include <iostream>
#include <vector>
#include <algorithm>using namespace std;vector<int> v[270000];int getbigindex(char s[])
{return (s[0] - 'A') * 26 * 26 * 10 + (s[1] - 'A') * 26 * 10 + (s[2] - 'A') * 10 + s[3] - '0';
}int main()
{int n, k;scanf("%d%d", &n, &k);int i, c, ci, j, bigindex;char name[5];for(i = 1; i <= k; i++){scanf("%d%d", &c, &ci);for(j = 1; j <= ci; j++){getchar();scanf("%s", name);bigindex = getbigindex(name);v[bigindex].push_back(c);}}int size;for(i = 1; i <= n; i++){getchar();scanf("%s", name);printf("%s", name);bigindex = getbigindex(name);size = v[bigindex].size();printf(" %d", size);if(size > 0){sort(v[bigindex].begin(), v[bigindex].end());for(j = 0; j <= size - 1; j++){printf(" %d", v[bigindex][j]);}}printf("\n");}system("pause");return 0;
}