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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#115350#5957. Allergy Testing zhouhuanyi0 9059ms9656kbC++111.6kb2023-06-25 22:13:282023-06-25 22:13:30

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-06-25 22:13:30]
  • 评测
  • 测评结果:0
  • 用时:9059ms
  • 内存:9656kb
  • [2023-06-25 22:13:28]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#define N 400000
#define inf 1e18
using namespace std;
long long read()
{
    char c=0;
    long long sum=0;
    while (c<'0'||c>'9') c=getchar();
    while ('0'<=c&&c<='9') sum=sum*10+c-'0',c=getchar();
    return sum;
}
int T,length;
long long n,A,B,st[N+1],dp[N+1];
long long F(long long x)
{
    int ps=lower_bound(st+1,st+length+1,x+1)-st-1;
    long long maxn=0,c1,c2;
    if (ps) maxn=max(maxn,dp[ps]);
    maxn=max(maxn,x/A+1);
    if (x>=B)
    {
	c1=(x-B)/A,c2=x/A;
	maxn=max(maxn,(long long)(min((__int128)(c1+1)*(c1+2)/2+c2-c1,(__int128)(n+1))));
    }
    return min(maxn,n+1);
}
int main()
{
    long long res;
    T=read();
    for (int qt=1;qt<=T;++qt)
    {
	n=read(),A=read(),B=read(),length=0,res=-1;
	for (int i=2;i<=49;++i)
	{
	    if (i==2)
	    {
		for (int j=0;j<=200000;++j) st[++length]=j*A+i*B;
	    }
	    else if (i==3)
	    {
		for (int j=0;j<=20000;++j) st[++length]=j*A+i*B;
	    }
	    else if (i==4)
	    {
		for (int j=0;j<=2000;++j) st[++length]=j*A+i*B;
	    }
	    else
	    {
		for (int j=0;j<=400;++j) st[++length]=j*A+i*B;
	    }
	}
	sort(st+1,st+length+1),length=unique(st+1,st+length+1)-st-1;
	for (int i=1;i<=length;++i)
	{
	    dp[i]=0;
	    if (st[i]>=A) dp[i]=max(dp[i],min(F(st[i]-A)+1,n+1));
	    if (st[i]>=B) dp[i]=max(dp[i],min(F(st[i]-A)+F(st[i]-B),n+1));
	}
	for (int i=log(inf)/log(2);i>=0;--i)
	    if (res+(1ll<<i)<=inf&&F(res+(1ll<<i))<n)
		res+=(1ll<<i);
	res++,printf("Case #%d: %lld\n",qt,res);
    }
    return 0;
}

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 9059ms
memory: 9216kb

input:

200
248794459979751 2 23
647141011809434 1 1
1 7 72
440039160553207 2 15
518185192633838 50 99
723438516824256 1 19
367397848971042 72 74
161202117156326 40 40
14195704645139 1 1
344123426089538 17 70
597633495749779 3 74
1 31 89
899376930571631 3 52
776312678496459 1 1
657958323101218 1 91
73670160...

output:

Case #1: 396
Case #2: 50
Case #3: 0
Case #4: 306
Case #5: 3530
Case #6: 286
Case #7: 3574
Case #8: 1920
Case #9: 44
Case #10: 1785
Case #11: 1023
Case #12: 0
Case #13: 812
Case #14: 50
Case #15: 883
Case #16: 2958
Case #17: 245
Case #18: 870
Case #19: 917
Case #20: 88
Case #21: 49
Case #22: 4200
Cas...

result:

wrong answer 1st lines differ - expected: 'Case #1: 395', found: 'Case #1: 396'

Subtask #2:

score: 0
Wrong Answer

Test #2:

score: 0
Wrong Answer
time: 8535ms
memory: 9656kb

input:

200
746993929581932 142696274786 428088824356
821296104130392 9404 314602795522
732393029543810 1 491862101132
334980960239832 476164015712 689458402567
34360471927936 219762102255 749514425501
43149753727929 2637 277305648790
1 306403840371 881644374633
6764562905980 1 1
515691552138897 74612952475...

output:

Case #1: 12842664730702
Case #2: 630293201260
Case #3: 491900360801
Case #4: 28024513280698
Case #5: 19283686047214
Case #6: 301802693346
Case #7: 0
Case #8: 43
Case #9: 41808463777671
Case #10: 12759827966790
Case #11: 44
Case #12: 681182597827
Case #13: 12933280433300
Case #14: 8375286538639
Case ...

result:

wrong answer 1st lines differ - expected: 'Case #1: 12699968455924', found: 'Case #1: 12842664730702'