//

1 #include "iostream" 2 #include "cstdio" 3 #include "cstring" 4 #include "algorithm" 5 #include "vector" 6 using namespace std; 7 int cmd[110][110]; 8 bool used[110], locked[110]; 9 int n, m, k;10 int core[110], pre[110];11 12 int main()13 {14     int i, j;15     scanf("%d%d%d", &n, &m, &k);16     for(i = 1; i <= n; ++i)17         for(j = 1; j <= m; ++j)18             scanf("%d", &cmd[i][j]);19     for(j = 1; j <= m; ++j) {20         memset(used, 0, sizeof(used));21         memset(pre, 0, sizeof(pre));22         for(i = 1; i <= n; ++i) {23             if(core[i] || (!cmd[i][j]))24                 continue;25             if(locked[cmd[i][j]]) {26                 core[i] = j;27             }28             else if(used[cmd[i][j]]){29                 locked[cmd[i][j]] = 1;30                 core[i] = j;31                 core[pre[cmd[i][j]]] = j;32             }33             else {34                 pre[cmd[i][j]] = i;35                 used[cmd[i][j]] = 1;36             }37         }38     }39     for(i = 1; i <= n; ++i) {40         printf("%d\n", core[i]);41     }42 }