Compilare: main.cpp: In function 'void print()': main.cpp:19:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<sol[0].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:90:43: warning: unused variable 'temp' [-Wunused-variable] for(int i=pref[indp[indp.size()-1]],temp; i>=1; i--) { ^~~~ main.cpp:107:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz<inds.size() && pref[inds[poz]]<=i) { ~~~^~~~~~~~~~~~ main.cpp:110:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(poz<inds.size() && pref[inds[poz]]<=i) { ~~~^~~~~~~~~~~~ main.cpp:106:31: warning: unused variable 'temp' [-Wunused-variable] for(int i=pref[inds[0]],temp; i<=n; i++) { ^~~~ main.cpp:68:13: warning: unused variable 'is2' [-Wunused-variable] int is1=1,is2=1; ^~~ main.cpp: At global scope: main.cpp:59:13: warning: 'void propagate(int, int, int, int)' defined but not used [-Wunused-function] static void propagate(int node, int l, int r, int ) { ^~~~~~~~~