0_0_16870282_18634.c: In function 'main':
0_0_16870282_18634.c:6:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=0;i<2;i++){
^
0_0_16870282_18634.c:6:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_16870282_18634.c:7:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int j=i+1;j<=2;j++){
^
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