Compilare: main.cpp: In function 'void pasul1()': main.cpp:60:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < a[s].size(); j++) ~~^~~~~~~~~~~~~ main.cpp: In function 'void pasul2()': main.cpp:84:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < a[nod.second].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:95:39: warning: statement has no effect [-Wunused-value] viz[vecin.second] == true; ~~~~~~~~~~~~~~~~~~^~~~~~~ main.cpp: In function 'void pasul3()': main.cpp:108:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < sol.size(); i++) ~~^~~~~~~~~~~~ main.cpp: In function 'void citire()': main.cpp:32:16: warning: iteration 100004 invokes undefined behavior [-Waggressive-loop-optimizations] viz[i] = false; ~~~~~~~^~~~~~~ main.cpp:31:23: note: within this loop for (int i = 1; i <= 100005; i++) ~~^~~~~~~~~ main.cpp:30:14: warning: iteration 100004 invokes undefined behavior [-Waggressive-loop-optimizations] d[i] = 4e18; ~~~~~^~~~~~ main.cpp:29:23: note: within this loop for (int i = 1; i <= 100005; i++) ~~^~~~~~~~~