View Compilation Error

0_0_34999673_10510.cpp: In function 'int main()':
0_0_34999673_10510.cpp:5:8: error: 'i' was not declared in this scope
    for(i=0;i<N;i++)
        ^
0_0_34999673_10510.cpp:5:14: error: 'N' was not declared in this scope
    for(i=0;i<N;i++)
              ^
0_0_34999673_10510.cpp:7:23: error: 'x' was not declared in this scope
        scanf("%d %d",&x,&y);
                       ^
0_0_34999673_10510.cpp:7:26: error: 'y' was not declared in this scope
        scanf("%d %d",&x,&y);
                          ^