hi!
i wrote this program in c and this is the line that the code blocks gave me when i did build to the program. i couldn't understand what is the problem and this is why i'm looking for help from you all... thank you, i need to submit the project on sunday...

Code:
#include <stdio.h>
#define N 20
#define M 20
int main()

{
int x,y,j,k,w,inner,numrow,clmnum,matrix[N][M],mtrxsum,minmtrx;
...