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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 |
---|---|---|---|---|---|---|---|---|---|
#864501 | #8340. 3 Sum | ucup-team052 | AC ✓ | 222ms | 3968kb | C++23 | 1.5kb | 2025-01-20 17:34:36 | 2025-01-20 17:34:36 |
Judging History
answer
#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
#define SZ(x) ((int)(x).size())
using namespace std;
const int md[3] = {998244353, 998244353, 998244353};
const int N = 505;
int a[N][3],n,K;
char _s[100005];
int s[100005],t[100005];
signed main()
{
#ifdef xay5421
freopen("a.in","r",stdin);
#endif
cin>>n>>K;
int ok[4][3]={0,0,0,0};
for(int c=0;c<3;c++)
{
for(int i=0;i<K;i++) ok[1][c]=(1LL*ok[1][c]*10+9)%md[c];
ok[2][c]=1LL*2*ok[1][c]%md[c];
ok[3][c]=1LL*3*ok[1][c]%md[c];
}
for(int i=1;i<=n;i++)
{
scanf("%s",_s+1);
int l=strlen(_s+1);
for(int j=0;j<K;j++) s[j]=0;
for(int j=0;j<l;j++) s[j]=_s[l-j]-'0';
while(l>K)
{
for(int j=0;j<K;j++) t[j]=0;
t[K]=0;
for(int j=0;j<l;j++) t[j%K]+=s[j];
for(int j=0;j<K;j++) t[j+1]+=t[j]/10,t[j]%=10;
l=t[K]?K+1:K;
for(int j=0;j<l;j++) s[j]=t[j];
}
for(int j=K-1;j>=0;j--)
{
for(int c=0;c<3;c++) a[i][c]=(1ULL*a[i][c]*10+s[j])%md[c];
}
}
// for(int i=1;i<=n;i++) printf("%d %d\n",a[i][0],a[i][1]);
// for(int i=0;i<4;i++) printf("%d %d\n",ok[i][0],ok[i][1]);
int ans=0;
for(int i=1;i<=n;i++)
{
for(int j=i;j<=n;j++)
{
for(int k=j;k<=n;k++)
{
for(int t=0;t<4;t++)
{
int o=1;
for(int c=0;c<3;c++)
{
if(((long long)a[i][c]+a[j][c]+a[k][c])%md[c]!=ok[t][c]) o=0;
}
ans+=o;
}
}
}
}
cout<<ans<<endl;
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: 3840kb
input:
4 1 0 1 10 17
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 129ms
memory: 3840kb
input:
500 859 7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 222ms
memory: 3840kb
input:
500 17336 11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...
output:
0
result:
ok 1 number(s): "0"
Test #4:
score: 0
Accepted
time: 169ms
memory: 3968kb
input:
500 1 751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...
output:
2327631
result:
ok 1 number(s): "2327631"
Test #5:
score: 0
Accepted
time: 165ms
memory: 3968kb
input:
500 2 408542968136435277974575411503179002415404345446801430469044749372949272333801248935236224652806667129749035002588943020176263162139056819871274824302889304493205266143688886696157147111754418731401856424401766968832165255416237731963027205324149660112574729610391396555581935236134531799950318...
output:
212002
result:
ok 1 number(s): "212002"
Test #6:
score: 0
Accepted
time: 199ms
memory: 3840kb
input:
500 11500 75411775796562109942642493394321873284995260953010112281856775261847503626737348402159485133662757032091519863427156582689971229143089317472838196453888261138079171290535429921921548971897026706656838415620603757605079012541561774699628665865662183868374645956694140356716037674688084770628...
output:
7675
result:
ok 1 number(s): "7675"
Test #7:
score: 0
Accepted
time: 201ms
memory: 3968kb
input:
500 11500 85355036663164764459816544518601485185320972076300982726542821424439713703229669576802138231401047471351087455159512255765325323540671792953715169122669767368905391325060775725733157611188832204902997772518104188947349204726490597030311894441123834099315122116302203972018409854605418988681...
output:
1070
result:
ok 1 number(s): "1070"
Test #8:
score: 0
Accepted
time: 1ms
memory: 3968kb
input:
1 11500 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...
output:
1
result:
ok 1 number(s): "1"
Extra Test:
score: 0
Extra Test Passed