0_0_25476648_6660.c: In function 'main':
0_0_25476648_6660.c:9:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=3;i++){
^
0_0_25476648_6660.c:9:9: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_25476648_6660.c:10:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int j=1;j<=3;j++){
^
0_0_25476648_6660.c:22:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<n;i++){
^
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