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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
#499301#8340. 3 SumxqbfTL 363ms82348kbC++141.9kb2024-07-31 11:36:042024-07-31 11:36:05

Judging History

你现在查看的是最新测评结果

  • [2024-09-20 10:20:30]
  • hack成功,自动添加数据
  • (/hack/848)
  • [2024-07-31 11:36:05]
  • 评测
  • 测评结果:TL
  • 用时:363ms
  • 内存:82348kb
  • [2024-07-31 11:36:04]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
const int maxn=505,maxk=20005;
int n,k,a[maxn][maxk],p[15]={998244353,1000000007,1019344367,1000000009,19260817},len[maxn],p1[maxk],p2[maxk],p3[maxk];
string s;
int b[maxn][15],prime=5;
int resm[15],resm2[15],resm3[15];
signed main(){
	//freopen("M.in","r",stdin);
	//freopen("M.out","w",stdout);
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin>>n>>k;
	for(int i=1;i<=n;i++){
		cin>>s;
		for(int j=0;j<s.size();j++){
			a[i][s.size()-j-1]=s[j]-'0';
		}
		len[i]=s.size();
		while(len[i]>k){
			for(int j=0;j<k;j++){
				p1[j]=a[i][j];
			}
			for(int j=k;j<len[i];j++){
				p2[j-k]=a[i][j];
			}
			int len1=k,len2=len[i]-k,carry=0;
			for(int j=len1;j<len[i];j++)p1[j]=0;
			for(int j=len2;j<len[i];j++)p2[j]=0;
			for(int j=0;j<max(len1,len2);j++){
				int tmp=(p1[j]+p2[j]+carry)%10;
				carry=(p1[j]+p2[j]+carry)/10;
				a[i][j]=tmp;
			}
			len[i]=max(len1,len2);
			if(carry!=0)a[i][len[i]++]=carry;
		}
	}
	//for(int i=1;i<=n;i++)printf("%lld\n",a[i][0]);
	for(int v=0;v<prime;v++){
		resm[v]=0;resm2[v]=0;
		for(int i=0;i<k;i++){
			resm[v]=(resm[v]*10+9)%p[v];
		}
		resm2[v]=(resm[v]+resm[v])%p[v];
		resm3[v]=(resm[v]+resm2[v])%p[v];
		for(int i=1;i<=n;i++){
			for(int j=len[i]-1;j>=0;j--){
				b[i][v]=(b[i][v]*10+a[i][j])%p[v];
			}	
		}
	}
	int ans=0;
	for(int i=1;i<=n;i++){
		for(int j=i;j<=n;j++){
			for(int k=j;k<=n;k++){
				int flag0=1,flag1=1,flag2=1,flag3=1;
				for(int v=0;v<5;v++){
					int tmp=(b[i][v]+b[j][v]+b[k][v])%p[v];
					if(tmp!=0){
						flag0=0;
					}
					if(tmp!=resm[v]){
						flag1=0;
					}
					if(tmp!=resm2[v]){
						flag2=0;
					}
					if(tmp!=resm3[v]){
						flag3=0;
					}
					if((flag0==0)&&(flag1==0)&&(flag2==0)&&(flag3==0)){
						break;
					}
				}
				if((flag0==0)&&(flag1==0)&&(flag2==0)&&(flag3==0));
				else{ans++;}
			}
		}
	}
	printf("%lld\n",ans);
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 5892kb

input:

4 1
0
1
10
17

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 76ms
memory: 81728kb

input:

500 859
7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...

output:

0

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 363ms
memory: 82348kb

input:

500 17336
11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...

output:

0

result:

ok 1 number(s): "0"

Test #4:

score: -100
Time Limit Exceeded

input:

500 1
751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...

output:


result: