Submission #152976

#	Time	Username	Problem	Language	Result	Execution time	Memory
152976		username	Two Dishes (JOI19_dishes)	C++14	10 / 100	46 ms	31948 KiB

dishes

#pragma GCC optimize("O3")
#include<stdint.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include<ext/rope>
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define VIS(it,con) for(auto it=con.begin();it!=con.end();++it)
#define pob pop_back
#define pf push_front
#define pof pop_front
#define MIN(x,y) (x=min(x,(y)))
#define MAX(x,y) (x=max(x,(y)))
#define mid (l+r>>1)
#define lch (idx*2+1)
#define rch (idx*2+2)
/*****************************************************************************/
#include<bits/stdc++.h>
#define int int_fast64_t
using namespace std;
typedef pair<int,int> pii;
#define REP(i,j,k) for(int i=(j);i<(k);++i)
#define RREP(i,j,k) for(int i=int(j)-1;i>=(k);--i)
#define ALL(a) a.begin(),a.end()
#define pb push_back
#define f first
#define s second
#define endl '\n'
//																#define __debug
#ifdef __debug
	#define IOS (void)0
	#define de(...) cerr<<__VA_ARGS__
	#define ar(a,s,t) {REP(__i,s,t)de(a[__i]<<' ');de(endl);}
#else
	#define IOS cin.tie(0),cout.tie(0),ios_base::sync_with_stdio(false)
	#define de(...) (void)0
	#define ar(...) (void)0
#endif
/***********************************default***********************************/
const int maxn=2009,inf=1ll<<60;
int n,m,a[maxn],b[maxn],s[maxn],t[maxn],p[maxn],q[maxn],dp[maxn][maxn];

main(){
	IOS;
	cin>>n>>m;
	REP(i,0,n)cin>>a[i+1]>>s[i]>>p[i],a[i+1]+=a[i];
	REP(i,0,m)cin>>b[i+1]>>t[i]>>q[i],b[i+1]+=b[i];
	REP(i,0,n+1)REP(j,0,m+1)dp[i][j]=-inf;
	dp[0][0]=0;
	REP(i,0,n+1)REP(j,0,m+1){
		if(i)MAX(dp[i][j],dp[i-1][j]+(a[i]+b[j]<=s[i-1]?p[i-1]:0));
		if(j)MAX(dp[i][j],dp[i][j-1]+(a[i]+b[j]<=t[j-1]?q[j-1]:0));
	}
	cout<<dp[n][m]<<endl;
}

Compilation message (stderr)

dishes.cpp:43:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

• Subtask 1: 0 / 5
• Subtask 2: 3 / 3
• Subtask 3: 7 / 7
• Subtask 4: 0 / 39
• Subtask 5: 0 / 11
• Subtask 6: 0 / 9
• Subtask 7: 0 / 17
• Subtask 8: 0 / 9