View Compilation Error

0_0_27308472_3454.c: In function 'main':
0_0_27308472_3454.c:10:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for (int i = 0; i < t; i++)
     ^
0_0_27308472_3454.c:10:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_27308472_3454.c:14:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int j = 0; j < n; j++)
         ^
0_0_27308472_3454.c:19:18: error: redefinition of 'j'
         for (int j = 0; j < n; j++)
                  ^
0_0_27308472_3454.c:14:18: note: previous definition of 'j' was here
         for (int j = 0; j < n; j++)
                  ^
0_0_27308472_3454.c:19:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int j = 0; j < n; j++)
         ^
0_0_27308472_3454.c:22:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
             for (int k = j; k < n; k++)
             ^