View Compilation Error

0_0_26778156_9129.c: In function 'main':
0_0_26778156_9129.c:7:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for(int i=0;i<2;i++){
         ^
0_0_26778156_9129.c:7:9: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_26778156_9129.c:8:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
             for(int j=0;j<2-i;j++){
             ^
0_0_26778156_9129.c:16:13: error: redefinition of 'i'
     for(int i=0;i<3;i++){
             ^
0_0_26778156_9129.c:7:17: note: previous definition of 'i' was here
         for(int i=0;i<2;i++){
                 ^
0_0_26778156_9129.c:16:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for(int i=0;i<3;i++){
     ^