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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
#882877#8340. 3 Sumucup-team5077#WA 472ms27392kbC++141.7kb2025-02-05 12:17:362025-02-05 12:17:39

Judging History

This is the latest submission verdict.

  • [2025-02-05 12:17:39]
  • Judged
  • Verdict: WA
  • Time: 472ms
  • Memory: 27392kb
  • [2025-02-05 12:17:36]
  • Submitted

answer

#include <bits/stdc++.h>
using namespace std;
const int N=550,M=2e4+5,mod1=998244353,mod2=1e9+7,mod3=1e9+9;
int n,k;
char S[M];
int sum[M],has1[N],has2[N],has3[N];
int HAS1,HAS2,HAS3;

int cal(int *sum,int mod){
    int tot=0;
    for(int i=k-1;i>=0;i--){
        tot=(1ll*tot*10%mod+sum[i])%mod;
    }
    return tot;
}

map < tuple<int,int,int>, int> mp;

int main(){
    scanf("%d%d",&n,&k);
    for(int i=1;i<=n;i++){
        scanf("\n%s",S);
        int len=strlen(S);
        
        for(int j=0;j<=k;j++) sum[j]=0;
        for(int j=0;j<len;j++) sum[j%k]+=(S[len-1-j]-'0');
        while(1){
            for(int j=0;j<k;j++){
                sum[j+1]+=sum[j]/10;
                sum[j]%=10;
            }
            if(!sum[k]) break;
            else sum[0]+=sum[k],sum[k]=0;
        }
        
        has1[i]=cal(sum,mod1);
        has2[i]=cal(sum,mod2);
        has3[i]=cal(sum,mod3);
        // cout<<has1[i]<<" "<<has2[i]<<" "<<has3[i]<<endl;
        // for(int j=k-1;j>=0;j--) cout<<sum[j];
        // cout<<endl;
    }
    
    for(int j=0;j<k;j++) sum[j]=9;
    HAS1=cal(sum,mod1);
    HAS2=cal(sum,mod2);
    HAS3=cal(sum,mod3);
    
    int ans=0;
    for(int i=1;i<=n;i++){
        mp[make_tuple(has1[i],has2[i],has3[i])]++;
        
        for(int j=i;j<=n;j++){
            for(int c=0;c<=2;c++){
                int w1=(HAS1*c%mod1+mod1-(has1[i]+has1[j])%mod1)%mod1;
                int w2=(HAS2*c%mod2+mod2-(has2[i]+has2[j])%mod2)%mod2;
                int w3=(HAS3*c%mod3+mod3-(has3[i]+has3[j])%mod3)%mod3;
                ans+=mp[make_tuple(w1,w2,w3)];
                
            }
            
        }
    }
    cout<<ans;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3712kb

input:

4 1
0
1
10
17

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 242ms
memory: 27392kb

input:

500 859
7118711592236878297922359501613604144948355616986970837340677671376753603836852811886591300370143151943368529129749813118476151865844255212534355441611481420938483178075143062691345257288242460282715389758789648541099090735875617822348551942134616963557723055980260082230902505269975518146286...

output:

0

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 472ms
memory: 27264kb

input:

500 17336
11871159223687829792235950161360414494835561698697083734067767137675360383685281188659130037014315194336852912974981311847615186584425521253435544161148142093848317807514306269134525728824246028271538975878964854109909073587561782234855194213461696355772305598026008223090250526997551814628...

output:

0

result:

ok 1 number(s): "0"

Test #4:

score: -100
Wrong Answer
time: 40ms
memory: 3712kb

input:

500 1
751324443898124078584847834484321089092662321556147445230263526014359393841194947303407593948729802551881289193716611867931891257925091769456350249725997883453296895094445731130479434019358742162771547784250401546380268386074363779242500860317042151185119666027858022664683818314351285215150806...

output:

2277515

result:

wrong answer 1st numbers differ - expected: '2327631', found: '2277515'