Compilare: main.cpp:6:22: warning: integer overflow in expression [-Woverflow] const int imp=(1<<31)-1; ~~~~~~~^~ main.cpp: In function 'int main()': main.cpp:22:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;++i) { ~^~~ main.cpp:37:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=indr+1;i<=indl;++i) if(v[i]==0) { ~^~~~~~ main.cpp:47:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int l=j-1;l>=lst;--l) dp[ind][i-j+l-lst] = min(dp[ind][i-j+l-lst],last[ind][l-lst] + sum); ~^~~~~ main.cpp:60:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=indl+1;i<=n;++i) { ~^~~ main.cpp:66:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=k;++i) v[i] = dp[ind][i]; ~^~~ main.cpp:67:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<ind;++i) { ~^~~~ main.cpp:68:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<=k;++j) { ~^~~ main.cpp:69:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int l=0;l<=k-j;++l) { ~^~~~~ main.cpp:73:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<=k;++j) dp[ind][j] = v[j]; ~^~~