View Compilation Error

0_0_27828818_7523.c: In function 'main':
0_0_27828818_7523.c:15:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for(int i = 0;i < N;i++)
         ^
0_0_27828818_7523.c:15:9: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_27828818_7523.c:20:18: error: redefinition of 'i'
         for (int i = 0; i < N; i++)
                  ^
0_0_27828818_7523.c:15:17: note: previous definition of 'i' was here
         for(int i = 0;i < N;i++)
                 ^
0_0_27828818_7523.c:20:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int i = 0; i < N; i++)
         ^
0_0_27828818_7523.c:23:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
             for (int j = i; j < N; j++)
             ^