QOJ.ac

QOJ

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
#547395#8340. 3 Sumlight_ink_dots#AC ✓292ms43380kbC++201.3kb2024-09-04 21:15:132024-10-13 18:55:00

Judging History

你现在查看的是最新测评结果

  • [2024-10-13 18:55:00]
  • 管理员手动重测本题所有得分≥97分的提交记录
  • 测评结果:AC
  • 用时:292ms
  • 内存:43380kb
  • [2024-09-20 10:20:30]
  • hack成功,自动添加数据
  • (/hack/848)
  • [2024-09-04 21:15:13]
  • 评测
  • 测评结果:100
  • 用时:298ms
  • 内存:43348kb
  • [2024-09-04 21:15:13]
  • 提交

answer

//最接近夜的灰褪去的那抹苍蓝 
#include<bits/stdc++.h>
using namespace std;
const int maxn=505,maxm=20005;
int n,m,T,ans,flg,cnt,goal[4][4],mod[4]={685800001,656000003,363600007,196600009};
int a[maxn][maxm],mul[4][maxm],hsh[4][maxn];
string s;
int main(){
	ios::sync_with_stdio(false);
	cin>>n>>m;
	for(int c=0;c<4;c++){
		mul[c][0]=1;
		for(int i=1;i<=m;i++)
			mul[c][i]=10ll*mul[c][i-1]%mod[c];
		for(int i=0;i<m;i++){
			goal[1][c]=(goal[1][c]+9ll*mul[c][i])%mod[c];
			goal[2][c]=(goal[2][c]+18ll*mul[c][i])%mod[c];
			goal[3][c]=(goal[3][c]+27ll*mul[c][i])%mod[c];
		}
	}
	for(int i=1;i<=n;i++){
		cin>>s;
		int l=s.size();
		for(int j=0;j<l;j++)
			a[i][l-j-1]=s[j]-48;
		l--;
		while(l>=m){
			a[i][l%m]+=a[i][l],a[i][l]=0,l--;
			int j=l%m;
			while(a[i][j]>9)
				a[i][j+1]+=a[i][j]/10,a[i][j]%=10,j++;
			l=max(l,j);
		}
		for(int j=m-1;j>=0;j--)
			for(int c=0;c<4;c++)
				hsh[c][i]=(hsh[c][i]+1ll*mul[c][j]*a[i][j])%mod[c];
	}
	//sum=0,m,2m
	for(int i=1;i<=n;i++)
		for(int j=i;j<=n;j++)
			for(int k=j;k<=n;k++)
				for(int d=0;d<4;d++){
					int flg=1;
					for(int c=0;c<4&&flg;c++)
						flg&=(hsh[c][i]+hsh[c][j]+hsh[c][k])%mod[c]==goal[d][c];
					ans+=flg;
				}
	printf("%d\n",ans);
	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: 3892kb

input:

4 1
0
1
10
17

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 165ms
memory: 42840kb

input:

500 859
7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...

output:

0

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 280ms
memory: 43380kb

input:

500 17336
11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...

output:

0

result:

ok 1 number(s): "0"

Test #4:

score: 0
Accepted
time: 292ms
memory: 43300kb

input:

500 1
751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...

output:

2327631

result:

ok 1 number(s): "2327631"

Test #5:

score: 0
Accepted
time: 272ms
memory: 43348kb

input:

500 2
408542968136435277974575411503179002415404345446801430469044749372949272333801248935236224652806667129749035002588943020176263162139056819871274824302889304493205266143688886696157147111754418731401856424401766968832165255416237731963027205324149660112574729610391396555581935236134531799950318...

output:

212002

result:

ok 1 number(s): "212002"

Test #6:

score: 0
Accepted
time: 260ms
memory: 43300kb

input:

500 11500
75411775796562109942642493394321873284995260953010112281856775261847503626737348402159485133662757032091519863427156582689971229143089317472838196453888261138079171290535429921921548971897026706656838415620603757605079012541561774699628665865662183868374645956694140356716037674688084770628...

output:

7675

result:

ok 1 number(s): "7675"

Test #7:

score: 0
Accepted
time: 269ms
memory: 43188kb

input:

500 11500
85355036663164764459816544518601485185320972076300982726542821424439713703229669576802138231401047471351087455159512255765325323540671792953715169122669767368905391325060775725733157611188832204902997772518104188947349204726490597030311894441123834099315122116302203972018409854605418988681...

output:

1070

result:

ok 1 number(s): "1070"

Test #8:

score: 0
Accepted
time: 1ms
memory: 4160kb

input:

1 11500
9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...

output:

1

result:

ok 1 number(s): "1"

Extra Test:

score: 0
Extra Test Passed