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 |
---|---|---|---|---|---|---|---|---|---|
#574266 | #8340. 3 Sum | shattershade | AC ✓ | 433ms | 82128kb | C++20 | 1.4kb | 2024-09-18 21:16:58 | 2024-09-20 10:21:13 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=505,K=2e4+10;
const int MOD[4]={1004535809,998244353,469762049,167772161};
int a[N][K],num[N][4],val[3][4];
void llz(){
int n,k;
cin>>n>>k;
for(int i=0;i<3;++i){
for(int m=0;m<4;++m){
for(int j=0;j<k;++j)val[i][m]=(10*val[i][m]+9*i)%MOD[m];
}
}
for(int i=1;i<=n;++i){
string s;
cin>>s;
int len=s.size();
for(int j=0;j<len;++j)a[i][j]=s[len-j-1]-'0';
while(len>0&&a[i][len-1]==0)len--;
while(len>k){
for(int j=k;j<len;++j){
a[i][j%k]+=a[i][j];
a[i][j]=0;
}
for(int j=0;j<len;++j)a[i][j+1]+=a[i][j]/10,a[i][j]%=10;
while(len>0&&a[i][len-1]==0)len--;
}
int cnt=0;
for(int j=0;j<len;++j)cnt+=(a[i][j]==9);
if(cnt==k||!len)continue;
for(int m=0;m<4;++m){
for(int j=len-1;j>=0;--j)num[i][m]=(10*num[i][m]+a[i][j])%MOD[m];
}
}
int ans=0;
for(int i=1;i<=n;++i){
for(int j=i;j<=n;++j){
for(int p=j;p<=n;++p){
bool flag[3];
for(int v=0;v<3;++v){
flag[v]=true;
for(int m=0;m<4;++m){
if((num[i][m]+num[j][m]+num[p][m])%MOD[m]!=val[v][m]){
flag[v]=false;
break;
}
}
}
if(flag[0]||flag[1]||flag[2])ans++;
}
}
}
cout<<ans<<"\n";
}
signed main(){
iostream::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int T=1;
while(T--)llz();
return 0;
}
这程序好像有点Bug,我给组数据试试?
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3592kb
input:
4 1 0 1 10 17
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 191ms
memory: 32488kb
input:
500 859 7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 433ms
memory: 82128kb
input:
500 17336 11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...
output:
0
result:
ok 1 number(s): "0"
Test #4:
score: 0
Accepted
time: 286ms
memory: 81868kb
input:
500 1 751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...
output:
2327631
result:
ok 1 number(s): "2327631"
Test #5:
score: 0
Accepted
time: 250ms
memory: 82128kb
input:
500 2 408542968136435277974575411503179002415404345446801430469044749372949272333801248935236224652806667129749035002588943020176263162139056819871274824302889304493205266143688886696157147111754418731401856424401766968832165255416237731963027205324149660112574729610391396555581935236134531799950318...
output:
212002
result:
ok 1 number(s): "212002"
Test #6:
score: 0
Accepted
time: 381ms
memory: 81856kb
input:
500 11500 75411775796562109942642493394321873284995260953010112281856775261847503626737348402159485133662757032091519863427156582689971229143089317472838196453888261138079171290535429921921548971897026706656838415620603757605079012541561774699628665865662183868374645956694140356716037674688084770628...
output:
7675
result:
ok 1 number(s): "7675"
Test #7:
score: 0
Accepted
time: 382ms
memory: 81924kb
input:
500 11500 85355036663164764459816544518601485185320972076300982726542821424439713703229669576802138231401047471351087455159512255765325323540671792953715169122669767368905391325060775725733157611188832204902997772518104188947349204726490597030311894441123834099315122116302203972018409854605418988681...
output:
1070
result:
ok 1 number(s): "1070"
Test #8:
score: 0
Accepted
time: 1ms
memory: 3692kb
input:
1 11500 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...
output:
1
result:
ok 1 number(s): "1"
Extra Test:
score: 0
Extra Test Passed