Compilare: user.cpp: In function ‘long long int Combinari(int)’: user.cpp:72:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void gen()’: user.cpp:125:74: warning: operation on ‘stop’ may be undefined [-Wsequence-point] start = start + stop - (stop = start), dif = - dif, a[poz] ++; ^ user.cpp: In function ‘void solve1()’: user.cpp:16:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &k, &c); ^ user.cpp:23:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[j]); ^ user.cpp: In function ‘void solve2()’: user.cpp:79:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &k, &c); ^ user.cpp:81:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^ user.cpp: In function ‘void solve3()’: user.cpp:136:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &k, &c); ^ user.cpp: In function ‘int main()’: user.cpp:164:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("procol.in", "r", stdin); ^ user.cpp:165:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &task); ^