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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
#864501#8340. 3 Sumucup-team052AC ✓222ms3968kbC++231.5kb2025-01-20 17:34:362025-01-20 17:34:36

Judging History

你现在查看的是最新测评结果

  • [2025-01-20 17:34:36]
  • 评测
  • 测评结果:AC
  • 用时:222ms
  • 内存:3968kb
  • [2025-01-20 17:34:36]
  • 提交

answer

#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
#define SZ(x) ((int)(x).size())
using namespace std;

const int md[3] = {998244353, 998244353, 998244353};

const int N = 505;

int a[N][3],n,K;
char _s[100005];
int s[100005],t[100005];

signed main()
{
#ifdef xay5421
	freopen("a.in","r",stdin);
#endif
	cin>>n>>K;
	int ok[4][3]={0,0,0,0};
	for(int c=0;c<3;c++)
	{
		for(int i=0;i<K;i++) ok[1][c]=(1LL*ok[1][c]*10+9)%md[c];
		ok[2][c]=1LL*2*ok[1][c]%md[c];
		ok[3][c]=1LL*3*ok[1][c]%md[c];
	}
	for(int i=1;i<=n;i++)
	{
		scanf("%s",_s+1);
		int l=strlen(_s+1);
		for(int j=0;j<K;j++) s[j]=0;
		for(int j=0;j<l;j++) s[j]=_s[l-j]-'0';
		while(l>K)
		{
			for(int j=0;j<K;j++) t[j]=0;
			t[K]=0;
			for(int j=0;j<l;j++) t[j%K]+=s[j];
			for(int j=0;j<K;j++) t[j+1]+=t[j]/10,t[j]%=10;
			l=t[K]?K+1:K;
			for(int j=0;j<l;j++) s[j]=t[j];
		}
		for(int j=K-1;j>=0;j--)
		{
			for(int c=0;c<3;c++) a[i][c]=(1ULL*a[i][c]*10+s[j])%md[c];
		}
	}
//	for(int i=1;i<=n;i++) printf("%d %d\n",a[i][0],a[i][1]);
//	for(int i=0;i<4;i++) printf("%d %d\n",ok[i][0],ok[i][1]);
	int ans=0;
	for(int i=1;i<=n;i++)
	{
		for(int j=i;j<=n;j++)
		{
			for(int k=j;k<=n;k++)
			{
				for(int t=0;t<4;t++)
				{
					int o=1;
					for(int c=0;c<3;c++)
					{
						if(((long long)a[i][c]+a[j][c]+a[k][c])%md[c]!=ok[t][c]) o=0;
					}
					ans+=o;
				}
			}
		}
	}
	cout<<ans<<endl;
	return 0;
}

这程序好像有点Bug,我给组数据试试?

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3840kb

input:

4 1
0
1
10
17

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 129ms
memory: 3840kb

input:

500 859
7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...

output:

0

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 222ms
memory: 3840kb

input:

500 17336
11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...

output:

0

result:

ok 1 number(s): "0"

Test #4:

score: 0
Accepted
time: 169ms
memory: 3968kb

input:

500 1
751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...

output:

2327631

result:

ok 1 number(s): "2327631"

Test #5:

score: 0
Accepted
time: 165ms
memory: 3968kb

input:

500 2
408542968136435277974575411503179002415404345446801430469044749372949272333801248935236224652806667129749035002588943020176263162139056819871274824302889304493205266143688886696157147111754418731401856424401766968832165255416237731963027205324149660112574729610391396555581935236134531799950318...

output:

212002

result:

ok 1 number(s): "212002"

Test #6:

score: 0
Accepted
time: 199ms
memory: 3840kb

input:

500 11500
75411775796562109942642493394321873284995260953010112281856775261847503626737348402159485133662757032091519863427156582689971229143089317472838196453888261138079171290535429921921548971897026706656838415620603757605079012541561774699628665865662183868374645956694140356716037674688084770628...

output:

7675

result:

ok 1 number(s): "7675"

Test #7:

score: 0
Accepted
time: 201ms
memory: 3968kb

input:

500 11500
85355036663164764459816544518601485185320972076300982726542821424439713703229669576802138231401047471351087455159512255765325323540671792953715169122669767368905391325060775725733157611188832204902997772518104188947349204726490597030311894441123834099315122116302203972018409854605418988681...

output:

1070

result:

ok 1 number(s): "1070"

Test #8:

score: 0
Accepted
time: 1ms
memory: 3968kb

input:

1 11500
9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...

output:

1

result:

ok 1 number(s): "1"

Extra Test:

score: 0
Extra Test Passed