Compilare: main.cpp: In function 'void solvex()': main.cpp:20:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (ind<vx.size()&&get<0>(vx[ind])<=i) ~~~^~~~~~~~~~ main.cpp:24:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (ind==vx.size()) ~~~^~~~~~~~~~~ main.cpp: In function 'void solvey()': main.cpp:59:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (ind<vy.size()&&get<0>(vy[ind])<=i) ~~~^~~~~~~~~~ main.cpp:63:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (ind==vy.size()) ~~~^~~~~~~~~~~ main.cpp: In function 'void solvex()': main.cpp:18:15: warning: 'n' is used uninitialized in this function [-Wuninitialized] for (i=1;i<=n;i++) ~^~~ main.cpp: In function 'void solvey()': main.cpp:57:15: warning: 'n' is used uninitialized in this function [-Wuninitialized] for (i=1;i<=n;i++) ~^~~ main.cpp: In function 'void solvex()': main.cpp:35:5: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] if (st!=0&&dr!=0) ^~ main.cpp:41:27: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<lin1[st-1]<<" "<<lin2[dr+1]<<" "<< get<2>(vx[i]); ~~^~ main.cpp: In function 'void solvey()': main.cpp:74:5: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] if (st!=0&&dr!=0) ^~ main.cpp:80:27: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<col1[st-1]<<" "<<col2[dr+1]<<" "<< get<2>(vy[i]); ~~^~