Compilare: main.cpp: In function 'int main()': main.cpp:68:36: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<Guy>::size_type {aka long unsigned int}' [-Wformat=] printf ("%d\n", suspect.size ()); ^ main.cpp:48:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("intrus.in", "r", stdin); ^ main.cpp:49:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("intrus.out", "w", stdout); ^ main.cpp:51:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &p); ^ main.cpp:52:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d%d", &n, &m, &d); ^ main.cpp:55:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &a[i][j]); ^