Compilare: main.cpp: In function 'void solve_dp(int, int)': main.cpp:30:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i; j<a.size(); j++) dp[i][j] = min(dp[i][j-1], dp[i-1][j-1] + abs(p[i] - a[j])); ~^~~~~~~~~ main.cpp:33:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=nr; j<a.size(); j++) ans = min(ans, dp[nr][j]); ~^~~~~~~~~