ZOJ 2201 2186 2176

#include<iostream>
#include<fstream>
using namespace std;
int main(int argc, char argv[])
{
ifstream cin("F://ac.txt");
int count;
int hour = 0;
while (true)
{
cin >> count;
if (count == -1)
{
break;
}
int mail, time;
int all = 0;
hour = 0;
while (count--)
{
cin >> mail >> time;
all += mail*(time - hour);
hour = time;
}
cout << all << " miles" << endl;
}
return 0;
}

#include<iostream>
#include<fstream>
using namespace std;
int main(int argc, char argv[])
{
ifstream cin("F://ac.txt");
int a[3];
cin >> a[0] >> a[1] >> a[2];
int i = 0;
for (; i < 3; i++)
{
if (a[i] <= 168)
{
break;
}
}
if (i < 3)
{
cout << "CRASH " << a[i] << endl;
}
else
{
cout << "NO CRASH" << endl;
}
return 0;
}

#include<iostream>
#include<fstream>
using namespace std;
int main(int argc, char argv[])
{
ifstream cin("F://ac.txt");
int count;
cin >> count;
while (count--)
{
int a, b;
cin >> a >> b;
if (a < b)
{
cout << "NO BRAINS" << endl;
}
else
{
cout << "MMM BRAINS" << endl;
}
}
return 0;
}