Compilare: main.cpp: In function 'int main()': main.cpp:40:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < v.size() - 1; i++) ~~^~~~~~~~~~~~~~ main.cpp:61:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size() - 1; i++) ~~^~~~~~~~~~~~~~ main.cpp:49:26: warning: unused variable 'cate' [-Wunused-variable] int o, m, s, t1, cate = 0, maxim = 0; ^~~~