Compilare: main.cpp: In function 'int main()': main.cpp:18:30: warning: 'n' may be used uninitialized [-Wmaybe-uninitialized] 18 | vector <vector <int>> s(n+1); | ~^~ main.cpp:17:9: note: 'n' was declared here 17 | int n, m, x0; | ^ main.cpp:19:22: warning: 'm' may be used uninitialized [-Wmaybe-uninitialized] 19 | for(int i = 0; i < m; i++){ | ~~^~~ main.cpp:17:12: note: 'm' was declared here 17 | int n, m, x0; | ^ main.cpp:26:9: warning: 'x0' may be used uninitialized [-Wmaybe-uninitialized] 26 | d[x0] = 0; | ^ main.cpp:17:15: note: 'x0' was declared here 17 | int n, m, x0; | ^~