View Compilation Error

0_0_17162164_28768.c: In function 'main':
0_0_17162164_28768.c:6:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
  for(int i = 0;i < m;i++){
  ^
0_0_17162164_28768.c:6:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_17162164_28768.c:12:17: error: redefinition of 'i'
         for(int i = 0;i < m;i++){
                 ^
0_0_17162164_28768.c:6:10: note: previous definition of 'i' was here
  for(int i = 0;i < m;i++){
          ^
0_0_17162164_28768.c:12:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for(int i = 0;i < m;i++){
         ^
0_0_17162164_28768.c:14:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int j = 1;j <= list[i];j++){
   ^