Borderou de evaluare (job #392026)

Eroare de compilare: user.c: In function ‘main’: user.c:34:9: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c:34:9: note: use option -std=c99 or -std=gnu99 to compile your code user.c:36:13: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat] user.c:8:13: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:9:13: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:12:11: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:15:11: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]