QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#549175 | #8340. 3 Sum | rotcar07 | WA | 194ms | 3832kb | C++14 | 856b | 2024-09-06 11:05:51 | 2024-09-06 11:05:51 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,k;
typedef unsigned long long ll;
constexpr ll mod=10000007998244353;
ll a[505];
int tmp[20005];
int main(){
cin>>n>>k;
for(int i=1;i<=n;i++){
string s;cin>>s;
for(int j=0;j<s.size();j++) tmp[j%k]+=s[j]-'0';
int jw=0;
do{
for(int i=0;i<k;i++){
tmp[i]+=jw;
jw=tmp[i]/10;tmp[i]%=10;
}
}while(jw);
for(int j=k-1;j>=0;j--) a[i]=(a[i]*10+tmp[j])%mod,tmp[j]=0;
}
ll w=9;
for(int i=1;i<k;i++) w=(w*10+9)%mod;
int ans=0;
ll ww=(w+w)%mod;
ll www=(w+ww)%mod;
for(int i=1;i<=n;i++)
for(int j=i;j<=n;j++)
for(int k=j;k<=n;k++){
ll z=(a[i]+a[j]+a[k])%mod;
if(z==w||z==ww||z==www||!z) ans++;
}
cout<<ans<<'\n';
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3604kb
input:
4 1 0 1 10 17
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 37ms
memory: 3832kb
input:
500 859 7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 194ms
memory: 3728kb
input:
500 17336 11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...
output:
0
result:
ok 1 number(s): "0"
Test #4:
score: 0
Accepted
time: 162ms
memory: 3648kb
input:
500 1 751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...
output:
2327631
result:
ok 1 number(s): "2327631"
Test #5:
score: -100
Wrong Answer
time: 154ms
memory: 3644kb
input:
500 2 408542968136435277974575411503179002415404345446801430469044749372949272333801248935236224652806667129749035002588943020176263162139056819871274824302889304493205266143688886696157147111754418731401856424401766968832165255416237731963027205324149660112574729610391396555581935236134531799950318...
output:
211806
result:
wrong answer 1st numbers differ - expected: '212002', found: '211806'