Submission #71232

#	Time	Username	Problem	Language	Result	Execution time	Memory
71232		khohko	매트 (KOI15_mat)	C++17	0 / 100	44 ms	24896 KiB

mat

#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
#define ll long long
#define pb push_back
#define fr first
#define sc second
#define MAX ((ll)(1e12+100))
#define MX ((ll)(1e6+100))
#define ARRS ((ll)(2e6+100))
#define HS ((ll)(1049))
#define MOD ((ll)(1000000861))
#define EP ((double)(1e-9))
#define LG 21
#define mul(a,b) a=((a)*(b))%MOD
using namespace std;

string s,t;
vector<pair<pair<ll,ll> ,pair<ll,ll> > > a;
vector<pair<pair<ll,ll> ,pair<ll,ll> > > b;
ll dp[2100][2100];
int main(){
	#ifdef KHOKHO
		freopen("in.in","r",stdin);
		freopen("out.out","w",stdout);
	#endif
	ll n,w,l,r,d,k,c;
	cin>>n>>w;
	for(int i=0; i<n; i++){
		cin>>k;
		if(k){
			cin>>l>>r>>d>>c;
			a.pb({{l,r},{d,c}});
		}
		else {
			cin>>l>>r>>d>>c;
			b.pb({{l,r},{w-d,c}});
		}
	}
	sort(a.begin(),a.end());
	sort(b.begin(),b.end());
	for(int i=1; i<=a.size(); i++)
		for(int j=1; j<=b.size(); j++)
			dp[i][j]=-MAX;
	dp[0][0]=0;
	ll pas=0;
	for(int i=1; i<=a.size(); i++){
		for(int j=1; j<=b.size(); j++){

			if(b[j].fr.fr<=a[i].fr.fr&&a[i].sc.fr<=b[j].sc.fr){
				for(int k=0; k<a.size(); k++){
					if(a[k].fr.sc<=a[i].fr.fr)
						dp[i][j]=max(dp[i][j],dp[k][j]+a[i].sc.sc);
				}
			}
			if(b[j].fr.fr>=a[i].fr.fr&&a[i].sc.fr<=b[j].sc.fr){
				for(int k=0; k<b.size(); k++){
					if(b[k].fr.sc<=b[j].fr.fr)
						dp[i][j]=max(dp[i][j],dp[k][j]+b[j].sc.sc);
				}
			}

			pas=max(pas,dp[i][j]);
		}
	}
	cout<<pas;
}

Compilation message (stderr)

mat.cpp: In function 'int main()':
mat.cpp:42:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1; i<=a.size(); i++)
               ~^~~~~~~~~~
mat.cpp:43:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=1; j<=b.size(); j++)
                ~^~~~~~~~~~
mat.cpp:47:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1; i<=a.size(); i++){
               ~^~~~~~~~~~
mat.cpp:48:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=1; j<=b.size(); j++){
                ~^~~~~~~~~~
mat.cpp:51:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int k=0; k<a.size(); k++){
                  ~^~~~~~~~~
mat.cpp:57:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int k=0; k<b.size(); k++){
                  ~^~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 11
• Subtask 5: 0 / 43