Compilare: user.cpp: In function ‘void lee()’: user.cpp:268:9: warning: unused variable ‘l’ [-Wunused-variable] int l = 0; ^ user.cpp: In function ‘bool verif(int&, int&, int&, int, int, int, int)’: user.cpp:174:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:291:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cub2.in", "r", stdin); ^ user.cpp:292:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cub2.out", "w", stdout); ^ user.cpp:293:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &k); ^ user.cpp:294:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &pf, &pi, &pj); ^ user.cpp:297:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &Tf[i], &Ti[i], &Tj[i]); ^ user.cpp:306:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^