Submission #958259

#	Time	Username	Problem	Language	Result	Execution time	Memory
958259		MilosMilutinovic	만두 (JOI14_ho_t2)	C++14	100 / 100	101 ms	756 KiB

2014_ho_t2

#include<bits/stdc++.h>
 
#define pb push_back
#define fi first
#define se second
#define mp make_pair
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;
 
template <typename T> bool chkmin(T &x,T y){return x>y?x=y,1:0;}
template <typename T> bool chkmax(T &x,T y){return x<y?x=y,1:0;}
 
ll readint(){
	ll x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}

int n,m;
int c[10005],a[505],b[505];
int dpa[20005],dpb[20005];

int main(){
	n=readint(); m=readint();
	for(int i=1;i<=n;i++) c[i]=readint();
	for(int i=1;i<=m;i++) a[i]=readint(),b[i]=readint();
	for(int i=1;i<=n;i++){
		for(int j=n;j>=0;j--) chkmax(dpa[j+1],dpa[j]+c[i]);
	}
	for(int i=0;i<=20000;i++) dpb[i]=1e9;
	dpb[0]=0;
	for(int i=1;i<=m;i++){
		for(int j=20000-a[i];j>=0;j--) chkmin(dpb[j+a[i]],dpb[j]+b[i]);
	}
	int ans=0,mx=0;
	for(int i=0;i<=20000;i++){
		chkmax(mx,dpa[i]);
		chkmax(ans,mx-dpb[i]);
	}
	printf("%d\n",ans);
	return 0;
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40