View Compilation Error

0_0_17516481_16279.cpp:2:7: error: 'N' does not name a type
 const N=1000+10;
       ^
0_0_17516481_16279.cpp:3:7: error: 'N' was not declared in this scope
 int m[N][N], cost[N];
       ^
0_0_17516481_16279.cpp:3:10: error: 'N' was not declared in this scope
 int m[N][N], cost[N];
          ^
0_0_17516481_16279.cpp:3:19: error: 'N' was not declared in this scope
 int m[N][N], cost[N];
                   ^
0_0_17516481_16279.cpp: In function 'int main()':
0_0_17516481_16279.cpp:16:17: error: 'm' was not declared in this scope
     scanf("%d",&m[i][j]);
                 ^
0_0_17516481_16279.cpp:18:3: error: 'cost' was not declared in this scope
   cost[0]=0;
   ^
0_0_17516481_16279.cpp:21:14: error: 'm' was not declared in this scope
    cost[i]=c+m[1][i];
              ^