Compilare: main.cpp: In function 'int main()': main.cpp:72:5: warning: unused variable 'x' [-Wunused-variable] ll x, y, g; ^ main.cpp:72:8: warning: unused variable 'y' [-Wunused-variable] ll x, y, g; ^ main.cpp:72:11: warning: unused variable 'g' [-Wunused-variable] ll x, y, g; ^ main.cpp: In function 'void solve()': main.cpp:32:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &L, &H); ^ main.cpp:34:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &o[i].l, &o[i].r, &o[i].h); ^ main.cpp: In function 'int main()': main.cpp:68:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("oglinzi.in", "r", stdin); ^ main.cpp:69:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("oglinzi.out", "w", stdout); ^ main.cpp:74:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(scanf("%d", &t); t; --t) { ^