Compilare: main.cpp: In function 'void recs(int, int, int)': main.cpp:14:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] bool tru = (d == dirs.length() - 1); ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:98:26: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] recs(y, i, 1); ^ main.cpp:97:24: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] for (int i = x+1; i <= m; i++) { ^