Compilare: main.cpp: In function 'int main()': main.cpp:76:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < s1.length(); i ++) ~~^~~~~~~~~~~~~ main.cpp:82:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(kmp[i+1] >= st[j].length()) ~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:60:40: warning: 'cur' may be used uninitialized in this function [-Wmaybe-uninitialized] int n, x, ans = 2000000000, f = 0, cur, tmp; ^~~