OJ Board

.. well, i don't know the reason of WA for this code, can somebody helps? #include<iostream> #include<vector> using namespace std; typedef struct { int i, j; }item; int main() { int n, m, o, x = 1, z, val; int x1, y1, x2, y2; string s; do { cin >> n >> m; if(n!=0&&m!=0) { if(x>1)cout << endl...

can somebody helps? i don't know why i'm getting WA, this is the code #include<iostream> #include<vector> #include<algorithm> #include<map> #include<iomanip> #include<utility> #include<set> using namespace std; typedef struct { char mode; set<string> trids; }thing; typedef unsigned long long uent; t...