Compilare: main.cpp: In function 'int main()': main.cpp:20:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<m;++i) ~^~ main.cpp: In function 'int cauta(int)': main.cpp:50:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(T[r]!=r) ~~~~^~~ main.cpp:54:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (T[x]!=x) ~~~~^~~ main.cpp: In function 'int main()': main.cpp:15:32: 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:16:34: 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:18:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ main.cpp:22:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &c, &x, &y); ^