Compilare: main.cpp: In function 'int main()': main.cpp:34:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen(infile, "r", stdin); ^ main.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen(outfile, "w", stdout); ^ main.cpp:36:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d\n" , &pozyM, &pozxM, &hmax, &n); ^ main.cpp:38:66: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d\n", &plat[i].h, &plat[i].x1, &plat[i].x2); ^