Compilare: main.cpp: In function 'int main()': main.cpp:12:10: warning: statement has no effect [-Wunused-value] for(p; p < n && Sol + l + 1 < n;){ ^ main.cpp:7:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("password.in", "r", stdin); ^ main.cpp:8:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("password.out", "w", stdout); ^ main.cpp:10:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", s); ^