Borderou de evaluare (job #549032)

Eroare de compilare: user.c: In function ‘f1’: user.c:7:5: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c:7:5: note: use option -std=c99 or -std=gnu99 to compile your code user.c:12:3: warning: implicit declaration of function ‘min’ [-Wimplicit-function-declaration] user.c:12:3: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c: In function ‘main’: user.c:23:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 2 has type ‘int’ [-Wformat] user.c:20:10: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:21:10: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:23:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]