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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#208742#6767. Hourly Coding Problem275307894aWA 1ms8152kbC++141.3kb2023-10-09 20:37:362023-10-09 20:37:37

Judging History

你现在查看的是最新测评结果

  • [2023-10-09 20:37:37]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:8152kb
  • [2023-10-09 20:37:36]
  • 提交

answer

#include<bits/stdc++.h>
#define Gc() getchar() 
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;using LL=__int128;
const int N=2e5+5,M=1e5,K=600+5,mod=1e9+7,Mod=mod-1;const db eps=1e-6;const ll INF=1e18+7;mt19937 rnd(263082);
int n,k;ll A[N],l[N],r[N];
int CK(ll mid){
	l[0]=r[0]=0;int i,j;
	for(i=1;i<=n;i++){
		l[i]=INF;r[i]=-INF;
		for(j=0;j<i;j++) if(A[i]-A[j]<=mid) l[i]=min(l[i],l[j]+1),r[i]=max(r[i],r[j]+1);
	}
	return l[n]<=k&&k<=r[n];
}
void find(int x,int y,ll mid){
	if(!x){assert(!y);return;}
	for(int i=0;i<x;i++) if(A[x]-A[i]<=mid&&l[i]<=y-1&&y-1<=r[i]) {printf("%d ",x-i);find(i,y-1,mid);return;}
	assert(0);
}
void Solve(){
	int i,j;scanf("%d%d",&n,&k);
	for(i=1;i<=n;i++) scanf("%lld",&A[n-i+1]);for(i=1;i<=n;i++) A[i]+=A[i-1];
	ll l=-INF,r=INF,mid;while(l+1<r) mid=l+r>>1,(CK(mid)?r:l)=mid;
	CK(r);find(n,k,r);printf("\n");
}
int main(){
	int t=1;
	scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

Details

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Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 8152kb

input:

3
7 3
5 1 0 2 7 -3 4
6 4
-1 3 -2 4 -3 5
6 2
0 -2 0 -1 -1 0

output:

3 3 1 
1 1 2 2 
3 3 

result:

wrong answer 1st lines differ - expected: '3 3 1', found: '3 3 1 '