Compilare: main.cpp: In function 'int checkInclusion(long long unsigned int, long long unsigned int)': main.cpp:38:24: warning: unused variable 'i' [-Wunused-variable] unsigned long long i = 0; ^ main.cpp: In function 'void solve()': main.cpp:54:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%llu", &x); ^ main.cpp:55:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%llu", &y); ^ main.cpp: In function 'int main()': main.cpp:66:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("eqset.in", "r", stdin); ^ main.cpp:67:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("eqset.out", "w", stdout); ^ main.cpp:70:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^