Compilare: main.cpp: In member function 'bool nrr::operator<(const nrr&) const': main.cpp:22:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 22 | return cost<a.cost || cost==a.cost && i<a.i || cost==a.cost && i==a.i && j<a.j; | ~~~~~~~~~~~~~^~~~~~~~ main.cpp:22:79: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 22 | return cost<a.cost || cost==a.cost && i<a.i || cost==a.cost && i==a.i && j<a.j; | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~ main.cpp: In function 'void dijkstra(long long int, long long int)': main.cpp:31:11: warning: unused variable 'nod' [-Wunused-variable] 31 | int k,nod,cst; | ^~~ main.cpp:31:15: warning: unused variable 'cst' [-Wunused-variable] 31 | int k,nod,cst; | ^~~ main.cpp: In function 'int main()': main.cpp:81:17: warning: unused variable 'k' [-Wunused-variable] 81 | int n,m,i,j,k,t,q,nr,minim,maxim,suma,i_,j_; | ^ main.cpp:81:19: warning: unused variable 't' [-Wunused-variable] 81 | int n,m,i,j,k,t,q,nr,minim,maxim,suma,i_,j_; | ^ main.cpp:81:21: warning: unused variable 'q' [-Wunused-variable] 81 | int n,m,i,j,k,t,q,nr,minim,maxim,suma,i_,j_; | ^ main.cpp:81:23: warning: unused variable 'nr' [-Wunused-variable] 81 | int n,m,i,j,k,t,q,nr,minim,maxim,suma,i_,j_; | ^~ main.cpp:81:26: warning: unused variable 'minim' [-Wunused-variable] 81 | int n,m,i,j,k,t,q,nr,minim,maxim,suma,i_,j_; | ^~~~~ main.cpp:81:32: warning: unused variable 'maxim' [-Wunused-variable] 81 | int n,m,i,j,k,t,q,nr,minim,maxim,suma,i_,j_; | ^~~~~ main.cpp:81:38: warning: unused variable 'suma' [-Wunused-variable] 81 | int n,m,i,j,k,t,q,nr,minim,maxim,suma,i_,j_; | ^~~~