View Compilation Error

0_0_32251941_5019.c: In function 'tran':
0_0_32251941_5019.c:17:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
  for(int i=1;i<=N;i++)
  ^
0_0_32251941_5019.c:17:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_32251941_5019.c: In function 'main':
0_0_32251941_5019.c:51:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for(int i=1;i<=N;i++)
     ^