View Compilation Error

0_0_16666117_7604.c:3:5: error: variably modified 'num' at file scope
 int num[MAXN];
     ^
0_0_16666117_7604.c:4:5: error: variably modified 'dp' at file scope
 int dp[MAXN];
     ^
0_0_16666117_7604.c: In function 'main':
0_0_16666117_7604.c:10:17: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
                 for(int i=1;i<=N;i++)
                 ^
0_0_16666117_7604.c:10:17: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_16666117_7604.c:13:25: error: redefinition of 'i'
                 for(int i=1;i<=N;i++)
                         ^
0_0_16666117_7604.c:10:25: note: previous definition of 'i' was here
                 for(int i=1;i<=N;i++)
                         ^
0_0_16666117_7604.c:13:17: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
                 for(int i=1;i<=N;i++)
                 ^
0_0_16666117_7604.c:16:25: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
                         for(int j=1;j<i;j++)
                         ^