0_0_31699614_22143.c: In function 'main':
0_0_31699614_22143.c:7:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=m+2;i++)
^
0_0_31699614_22143.c:7:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_31699614_22143.c:12:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int j=1;j<=n;j++)
^
0_0_31699614_22143.c:22:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int j=1;j<=n;j++)
^
0_0_31699614_22143.c:32:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int k=1;k<=n;k++)
^
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