Compilare: main.cpp: In function 'int main()': main.cpp:71:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(j=0;j<ctc[i].size();j++) | ~^~~~~~~~~~~~~~ main.cpp:43:19: warning: unused variable 't' [-Wunused-variable] 43 | int n,m,i,j,k,t,q,nr,minim,maxim,suma; | ^ main.cpp:43:21: warning: unused variable 'q' [-Wunused-variable] 43 | int n,m,i,j,k,t,q,nr,minim,maxim,suma; | ^ main.cpp:43:23: warning: unused variable 'nr' [-Wunused-variable] 43 | int n,m,i,j,k,t,q,nr,minim,maxim,suma; | ^~ main.cpp:43:26: warning: unused variable 'minim' [-Wunused-variable] 43 | int n,m,i,j,k,t,q,nr,minim,maxim,suma; | ^~~~~ main.cpp:43:32: warning: unused variable 'maxim' [-Wunused-variable] 43 | int n,m,i,j,k,t,q,nr,minim,maxim,suma; | ^~~~~ main.cpp:43:38: warning: unused variable 'suma' [-Wunused-variable] 43 | int n,m,i,j,k,t,q,nr,minim,maxim,suma; | ^~~~