Compilare: main.cpp: In function 'int main()': main.cpp:69:17: warning: 'last' may be used uninitialized [-Wmaybe-uninitialized] 69 | if(it.first > last) | ^~ main.cpp:49:37: note: 'last' was declared here 49 | int cur = 1, index = -1, i, last; | ^~~~