OJ Board

what about this one
//the record 43 WA!!!!!
#include <string>
#include <vector>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <iostream>
#include <sstream>
using namespace std;
long double f1(long double p,long double q,long double r,long double s,long double t
,long double u ...

wht is wrong about this code to GET 25 WA????
//10375
#include <string>
#include <vector>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <iostream>
#include <sstream>
using namespace std;
void main()
{
long long m1,n1,m2,n2;
while(cin>>m1>>n1>>m2>>n2)
{
long long c1=m1-n1 ...