Compilare: main.cpp: In function 'int solve1(int, int)': main.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | if(sol<v[b].size()-1 && abs(v[b][sol+1]-t)<mdif) | ~~~^~~~~~~~~~~~~~ main.cpp: In function 'int solve2(int, int)': main.cpp:39:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | if(p[i]+1<v[i].size() && v[i][p[i]+1]<v[mi][p[mi]+1]) | ~~~~~~^~~~~~~~~~~~ main.cpp:45:26: warning: 'mi' may be used uninitialized [-Wmaybe-uninitialized] 45 | return v[mi][p[mi]]; | ~~~~^ main.cpp:31:31: note: 'mi' was declared here 31 | int p[1001],sum=0,k=0,mi; | ^~ main.cpp:45:26: warning: 'p' may be used uninitialized [-Wmaybe-uninitialized] 45 | return v[mi][p[mi]]; | ~~~~^ main.cpp:31:13: note: 'p' declared here 31 | int p[1001],sum=0,k=0,mi; | ^