Compilare: main.cpp: In function 'int main()': main.cpp:16:33: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=] scanf("%d %d %d", &n, &x, &l); ^ main.cpp:16:33: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=] main.cpp:16:33: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'long long int*' [-Wformat=] main.cpp:3:11: warning: unused variable 'first' [-Wunused-variable] #define x first ^ main.cpp:18:13: note: in expansion of macro 'x' int x,y; scanf("%d %d", &a[i].y, &a[i].x); ^ main.cpp:4:11: warning: unused variable 'second' [-Wunused-variable] #define y second ^ main.cpp:18:15: note: in expansion of macro 'y' int x,y; scanf("%d %d", &a[i].y, &a[i].x); ^ main.cpp:4:11: warning: unused variable 'second' [-Wunused-variable] #define y second ^ main.cpp:30:12: note: in expansion of macro 'y' ll y=it->y; ^ main.cpp:14:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("lupu.in", "r", stdin); ^ main.cpp:15:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("lupu.out", "w", stdout); ^ main.cpp:16:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &n, &x, &l); ^ main.cpp:18:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int x,y; scanf("%d %d", &a[i].y, &a[i].x); ^