제출 #104579

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
104579		Hassoony	Parametriziran (COCI19_parametriziran)	C++17	0 / 110	410 ms	3820 KiB

Main

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
const ll mod=(1e9+7);
const ll inf=(1ll<<61);
const int MX=50009;
int n,m;
vector<string>v[(1<<7)];
string s;
unordered_map<string,int>vis;
char oo[8];
ll ans=0;
void add(string s){
    int ret=0;
    string tmp="";
    for(int j=0;j<m;j++){
        if(s[j]!='?')ret+=(1<<j);
    }
    v[ret].push_back(s);
}
int main(){
    cin>>n>>m;
    for(int i=0;i<n;i++){
        scanf("%s",&oo);s=oo;
        add(s);
    }
    for(int i1=0;i1<(1<<m);i1++){
        for(int j1=i1+1;j1<(1<<m);j1++){
            int mask1=i1,mask2=j1;
            vis.clear();
            for(auto pp:v[mask1]){
                string tmp="";
                for(int j=0;j<m;j++){
                    if((mask1&(1<<j))&&(mask2&(1<<j)))tmp+=pp[j];
                }
                vis[tmp]++;
            }
            for(auto pp:v[mask2]){
                string tmp="";
                for(int j=0;j<m;j++){
                    if((mask1&(1<<j))&&(mask2&(1<<j)))tmp+=pp[j];
                }
                ans+=vis[tmp];
            }
        }
    }
    cout<<ans<<endl;
}
/*
3 3
??b
c??
c?c
4 6
ab??c?
??kll?
a?k??c
?bcd??
5 2
??
b?
c?
?g
cg
*/

컴파일 시 표준 에러 (stderr) 메시지

parametriziran.cpp: In function 'int main()':
parametriziran.cpp:25:23: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[8]' [-Wformat=]
         scanf("%s",&oo);s=oo;
                    ~~~^
parametriziran.cpp:25:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",&oo);s=oo;
         ~~~~~^~~~~~~~~~

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