Compilare: main.cpp: In function 'int32_t main()': main.cpp:115:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<ans1.size();i++){ ~^~~~~~~~~~~~ main.cpp:100:23: warning: 'c2' may be used uninitialized in this function [-Wmaybe-uninitialized] if(dp[c1-1][c2]==dp[c1][c2]-1){ ~~~~~~~~~~~^ main.cpp:100:17: warning: 'c1' may be used uninitialized in this function [-Wmaybe-uninitialized] if(dp[c1-1][c2]==dp[c1][c2]-1){ ~~^~