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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#258078#7750. Revenge on My Bossucup-team266#WA 0ms3636kbC++202.1kb2023-11-19 14:52:582023-11-19 14:52:58

Judging History

你现在查看的是最新测评结果

  • [2023-11-19 14:52:58]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3636kb
  • [2023-11-19 14:52:58]
  • 提交

answer

//Author: Kevin
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
#define ll long long
#define ull unsigned ll
#define pb emplace_back
#define mp make_pair
#define ALL(x) (x).begin(),(x).end()
#define rALL(x) (x).rbegin(),(x).rend()
#define srt(x) sort(ALL(x))
#define rev(x) reverse(ALL(x))
#define rsrt(x) sort(rALL(x))
#define sz(x) (int)(x.size())
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define lb(v,x) (int)(lower_bound(ALL(v),x)-v.begin())
#define ub(v,x) (int)(upper_bound(ALL(v),x)-v.begin())
#define uni(v) v.resize(unique(ALL(v))-v.begin())
#define longer __int128_t
void die(string S){puts(S.c_str());exit(0);}
int n;
ll a[100100],b[100100],c[100100];
bool check(ll mid,bool echo=false)
{
//	cerr<<mid<<":"<<endl;
	ll sum=0;
	for(int i=1;i<=n;i++)
		sum+=b[i];
	vector<pair<pair<ll,ll>,int>> vec;
	for(int i=1;i<=n;i++)
	{
		ll l=mid/c[i];
		vec.pb(mp(b[i]-a[i],sum+a[i]-l),i);
//		cerr<<b[i]-a[i]<<" "<<sum+a[i]-l<<endl;
	}
	sort(ALL(vec),[&](pair<pair<ll,ll>,int> a,pair<pair<ll,ll>,int> b)
	{
		if(a.first.first>=0&&b.first.first<0) return true;
		if(a.first.first<0&&b.first.first>=0) return false;
		if(a.first.first>=0) return a.first.second+a.first.first>b.second+b.first.first;
		return a.first.second+a.first.first>b.second+b.first.first;
	});
	ll s=0;
	for(auto pr:vec)
	{
		if(echo)
			cout<<pr.second<<" ";
		if(s<pr.first.second) return false;
		s+=pr.first.first;
	}
	if(echo) cout<<'\n';
	return true;
}
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int t;
	cin>>t;
	while(t--)
	{
		cin>>n;
		for(int i=1;i<=n;i++)
			cin>>a[i]>>b[i]>>c[i];
		ll l=0,r=1e18;
		while(l<r)
		{
			ll mid=(l+r)/2;
			if(check(mid))
				r=mid;
			else
				l=mid+1;
		}
//		cerr<<l<<endl;
		check(l,true);
//		if(!t)
//		{
//			vector<int> vec={3,8,4,2,5,9,7,1,6};
//			ll ans=0;
//			for(int i=0;i<9;i++)
//			{
//				ll A=0;
//				for(int j=0;j<=i;j++)
//					A+=a[j];
//				for(int j=i;j<9;j++)
//					A+=b[j];
//				ans=max(ans,A*c[i]);
//			}
//			cout<<ans<<endl;
//		}
	}
	return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3636kb

input:

2
4
1 1 4
5 1 5
1 9 1
9 8 1
9
3 1 4
1 5 9
2 6 5
3 5 8
9 7 9
3 2 3
8 4 6
2 6 8
3 2 7

output:

1 3 2 4 
2 3 4 8 5 1 6 7 9 

result:

wrong answer Wrong Answer on Case#2