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View Compilation Error

0_0_38129435_16706.c: In function 'floyd':
0_0_38129435_16706.c:6:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for (int k=0;k<n;k++)
     ^
0_0_38129435_16706.c:6:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_38129435_16706.c:8:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int i=0;i<n;i++)
         ^
0_0_38129435_16706.c:10:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
             for (int j=0;j<n;j++)
             ^
0_0_38129435_16706.c: In function 'main':
0_0_38129435_16706.c:34:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int i=0;i<n;i++)
         ^
0_0_38129435_16706.c:36:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
             for (int j=0;j<n;j++)
             ^
0_0_38129435_16706.c:48:18: error: redefinition of 'i'
         for (int i=0;i<m;i++)
                  ^
0_0_38129435_16706.c:34:18: note: previous definition of 'i' was here
         for (int i=0;i<n;i++)
                  ^
0_0_38129435_16706.c:48:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int i=0;i<m;i++)
         ^


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