Compilare: main.cpp: In function 'int main()': main.cpp:25:22: warning: 'n' is used uninitialized [-Wuninitialized] 25 | for(int i=0;i<n;i++) | ~^~ main.cpp:23:13: note: 'n' was declared here 23 | int n; | ^ main.cpp: In function 'int nrinv(std::vector<int>, int, int)': main.cpp:7:5: warning: infinite recursion detected [-Winfinite-recursion] 7 | int nrinv(vector<int>v, int st, int dr){ | ^~~~~ main.cpp:9:27: note: recursive call 9 | int inv_st = nrinv(v,st,mij); | ~~~~~^~~~~~~~~~