Compilare: main.cpp: In function 'void cuplaj()': main.cpp:89:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < st.size(); ++i) { ~~^~~~~~~~~~~ main.cpp:90:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (r[i] == -1 && dfs_cuplaj(i)) ^~ main.cpp:92:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' --p[st[i]]; ^~ main.cpp: In function 'void cuplaj_init(int)': main.cpp:107:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < dr.size(); ++j) ~~^~~~~~~~~~~ main.cpp:109:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < st.size(); ++i) { ~~^~~~~~~~~~~ main.cpp:113:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < dr.size(); ++j) { ~~^~~~~~~~~~~