Compilare: main.cpp: In function 'int main()': main.cpp:115:31: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >::size_type {aka long unsigned int}' [-Wformat=] printf("%d\n", afis.size()); ^ main.cpp:96:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("terenuri3d.in", "r", stdin); ^ main.cpp:97:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("terenuri3d.out", "w", stdout); ^ main.cpp:99:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &m, &k); ^ main.cpp:102:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &x, &y, &c); ^