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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 |
---|---|---|---|---|---|---|---|---|---|
#348175 | #8340. 3 Sum | ucup-team135# | WA | 151ms | 82652kb | C++20 | 2.3kb | 2024-03-09 17:20:53 | 2024-03-09 17:20:54 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define app push_back
#define all(x) (x).begin(),(x).end()
#ifdef LOCAL
#define debug(...) [](auto...a){ ((cout << a << ' '), ...) << endl;}(#__VA_ARGS__, ":", __VA_ARGS__)
#else
#define debug(...)
#endif
#ifdef LOCAL
#define __int128 long long
#endif // LOCAL
const int maxn=505;
const int maxk=20005;
int arr[maxn][maxk];
vector<int> mods={(1LL<<52)+(1LL<<33)-(1LL<<15)+1};
int ha[maxn][1];
int po[maxk][1];
int want[2][1];
int32_t main()
{
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
for(int j=0;j<1;++j)
{
po[0][j]=1;
for(int i=1;i<maxk;++i)
{
po[i][j]=(po[i-1][j]*10)%mods[j];
}
}
int n,k;cin>>n>>k;
for(int j=0;j<1;++j) {want[0][j]=(po[k][j]-1);want[1][j]=(2*(po[k][j]-1))%mods[j];}
for(int i=0;i<n;++i)
{
string s;cin>>s;reverse(all(s));
for(int j=0;j<s.size();++j)
{
arr[i][j%k]+=(s[j]-'0');
}
int lj=0;
for(int j=0;j<=lj+k+1;++j)
{
if(arr[i][j%k]>=10)
{
lj=j;
int h=arr[i][j%k]/10;
arr[i][j%k]%=10;
arr[i][(j+1)%k]+=h;
}
}
for(int j=0;j<1;++j)
{
for(int l=0;l<k;++l)
{
ha[i][j]+=(po[l][j]*arr[i][l]);ha[i][j]%=mods[j];
}
}
}
int res=0;
for(int i=0;i<n;++i)
{
for(int j=0;j<=i;++j)
{
for(int k=0;k<=j;++k)
{
bool okm=1;bool ok0=1;bool ok1=1;
for(int s=0;s<1;++s)
{
int val=(ha[i][s]+ha[j][s]+ha[k][s]);
okm&=(!val);
int val1=(ha[i][s]+ha[j][s]+ha[k][s]-want[0][s]);
ok0&=(!val1 || val1==mods[s] || val1==2*mods[s]);
int val2=(ha[i][s]+ha[j][s]+ha[k][s]-want[1][s]);
ok1&=(!val2 || val2==mods[s] || val2==2*mods[s]);
}
if(okm | ok0 | ok1) {
++res;
}
}
}
}
cout<<res;
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 4044kb
input:
4 1 0 1 10 17
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 35ms
memory: 79996kb
input:
500 859 7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 151ms
memory: 82652kb
input:
500 17336 11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...
output:
0
result:
ok 1 number(s): "0"
Test #4:
score: -100
Wrong Answer
time: 71ms
memory: 79708kb
input:
500 1 751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...
output:
2277515
result:
wrong answer 1st numbers differ - expected: '2327631', found: '2277515'