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Submission #575751

# Submission time Handle Problem Language Result Execution time Memory
575751 2022-06-11T08:48:10 Z AGE Transport (COCI19_transport) C++14
0 / 130
 88 ms 64820 KB 
#include<bits/stdc++.h>
#define F first
#define S second
#define int long long
#define pb push_back

using namespace std;
const int N=1e6,M=2e3,mod=1e9+7;

string s[N];
map<string,int>mp;
int cnt[N][27],cnttt[N];
main()
{

    int n,m;
    cin>>n>>m;

    for(int i=0;i<n;i++)
        cin>>s[i];

    int ans=n*(n-1);

    for(int i=0;i<n;i++){
        if(s[i][0]!='?')
            cnt[0][s[i][0]-'a']++;

        if(s[i][1]!='?')
            cnt[1][s[i][1]-'a']++;
    }
    int sum0=0;
    for(int i=0;i<26;i++)
        sum0+=cnt[0][i];

    for(int i=0;i<n;i++)
        if(s[i][0]!='?')
            ans-=(sum0-cnt[0][s[i][0]-'a']);

    int sum1=0;

    for(int i=0;i<26;i++)
        sum1+=cnt[1][i];

    for(int i=0;i<n;i++)
        if(s[i][1]!='?')
            ans-=(sum1-cnt[1][s[i][1]-'a']);


    int cntt=0;

    for(int i=0;i<n;i++){

        cntt++;
        cnttt[(s[i][0]-'a')+((s[i][1]-'a')*31)]++;
    }

    for(int i=0;i<n;i++){

        if(s[i][0]=='?'||s[i][1]=='?')
            continue;

        for(char x='a';x<='z';x++){

            int xx=x-'a';

            for(char y='a';y<='z';y++){

                xx+=(y-'a')*31;

                if(x!=s[i][0]&&y!=s[i][1]){
                    ans+=cnttt[xx];
                }

                xx-=(y-'a')*31;

            }
        }
    }

    cout<<ans/2<<endl;
    return 0;
}

Compilation message

transport.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main()
      | ^~~~

Subtask #1
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 42 ms 63956 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 43 ms 63944 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 53 ms 64320 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 56 ms 64488 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 63 ms 64624 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 48 ms 64196 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #7
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 56 ms 64288 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 61 ms 64448 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #9
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 88 ms 64600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #10
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 73 ms 64820 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -