Compilare: main.cpp: In function 'int main()': main.cpp:30:48: warning: unused variable 'p' [-Wunused-variable] int i, j, k, l, sol = 0, s = 0, v, ma = 0, p = 0; ^ main.cpp:28:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ferma3.in", "r", stdin); ^ main.cpp:29:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ferma3.out", "w", stdout); ^ main.cpp:33:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n%d%d", &v, &n, &m); ^ main.cpp:37:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", a[i] + 1); ^