Compilare: user.cpp: In function ‘int main()’: user.cpp:7:31: warning: unused variable ‘search’ [-Wunused-variable] int *AIB, m, n, op, num, cp, search, max = 1, certain, step, j, sumA, sumB, a, b; ^ user.cpp:7:48: warning: unused variable ‘certain’ [-Wunused-variable] int *AIB, m, n, op, num, cp, search, max = 1, certain, step, j, sumA, sumB, a, b; ^ user.cpp:7:57: warning: unused variable ‘step’ [-Wunused-variable] int *AIB, m, n, op, num, cp, search, max = 1, certain, step, j, sumA, sumB, a, b; ^ user.cpp:7:63: warning: unused variable ‘j’ [-Wunused-variable] int *AIB, m, n, op, num, cp, search, max = 1, certain, step, j, sumA, sumB, a, b; ^ user.cpp:8:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("datorii.in", "r", stdin); ^ user.cpp:9:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("datorii.out", "w", stdout); ^ user.cpp:10:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &m, &n); ^ user.cpp:15:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &num); ^ user.cpp:22:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &op); ^ user.cpp:26:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &a, &b); ^ user.cpp:33:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &a, &b); ^