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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 |
|---|---|---|---|---|---|---|---|---|---|
| #730910 | #5311. Master of Both | Hobert | Compile Error | / | / | C++20 | 1.3kb | 2024-11-09 22:21:45 | 2024-11-09 22:21:50 |
Judging History
answer
#include<bits/stdc++.h>
#define endl '\n'
#define int long long
using namespace std;
const int N=1e6+10;
struct Tree{
map<int,int>to;
int cnt[27];
}tr[N];
int idx=1;
//map<pair<char,char>,int>mp;
int tl[27][27];
void build(int u,string s,int i){
int c=s[i]-'`';
for(auto [j,t]:tr[u].to){
if(j!=c&&tr[u].to[j]){
tl[c][j]+=tr[u].cnt[j];
// mp[{c+'`',j+'`'}]+=tr[u].cnt[j];
// if(tr[u].cnt[j]) cout<<(char)(c+'`')<<' '<<(char)(j+'`')<<endl;
}
}
if(!tr[u].to[c]){
tr[u].to[c]=idx;
idx++;
}
tr[u].cnt[c]++;
if(i+1<(int)s.size()) build(tr[u].to[c],s,i+1);
}
char v[N];
void solve(){
int n,q;
cin>>n>>q;
// vector<string>v(n);
// for(auto &x:v) cin>>x;
for(int j=0;j<27;j++) tr[0].to[j]=tr[0].cnt[j]=0;
for(int i=0;i<n;i++){
cin>>(v+1);
v[0]='`';
build(0,v,0);
// cout<<v[i]<<endl;
}
// for(auto [x,y]:mp){
// auto [a,b]=x;
// if(y) cout<<a<<b<<' '<<y<<endl;
// }
while(q--){
char s[27];
cin>>(s+1);
s[0]='`';
int res=0;
for(int i=0;i<27;i++){
for(int j=0;j<i;j++){
// if(mp[{s[i],s[j]}]) cout<<s[i]<<' '<<s[j]<<endl;
// res+=mp[{s[i],s[j]}];
res+=tl[s[j]-'`'][s[i]-'`'];
}
}
cout<<res<<endl;
}
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);
int _=1;
while(_--) solve();
return 0;
}
详细
answer.code: In function ‘void solve()’:
answer.code:45:20: error: no match for ‘operator>>’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘char*’)
45 | cin>>(v+1);
| ~~~^~~~~~~
| | |
| | char*
| std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/13/sstream:40,
from /usr/include/c++/13/complex:45,
from /usr/include/c++/13/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:127,
from answer.code:1:
/usr/include/c++/13/istream:325:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
325 | operator>>(void*& __p)
| ^~~~~~~~
/usr/include/c++/13/istream:325:7: note: conversion of argument 1 would be ill-formed:
answer.code:45:24: error: cannot bind non-const lvalue reference of type ‘void*&’ to an rvalue of type ‘void*’
45 | cin>>(v+1);
| ~~^~~
/usr/include/c++/13/istream:201:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
201 | operator>>(unsigned long long& __n)
| ^~~~~~~~
/usr/include/c++/13/istream:201:7: note: conversion of argument 1 would be ill-formed:
answer.code:45:24: error: invalid conversion from ‘char*’ to ‘long long unsigned int’ [-fpermissive]
45 | cin>>(v+1);
| ~~^~~
| |
| char*
answer.code:45:24: error: cannot bind rvalue ‘(long long unsigned int)(((char*)(& v)) + 1)’ to ‘long long unsigned int&’
/usr/include/c++/13/istream:197:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
197 | operator>>(long long& __n)
| ^~~~~~~~
/usr/include/c++/13/istream:197:7: note: conversion of argument 1 would be ill-formed:
answer.code:45:24: error: invalid conversion from ‘char*’ to ‘long long int’ [-fpermissive]
45 | cin>>(v+1);
| ~~^~~
| |
| char*
answer.code:45:24: error: cannot bind rvalue ‘(long long int)(((char*)(& v)) + 1)’ to ‘long long int&’
/usr/include/c++/13/istream:192:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
192 | operator>>(unsigned long& __n)
| ^~~~~~~~
/usr/include/c++/13/istream:192:7: note: conversion of argument 1 would be ill-formed:
answer.code:45:24: error: invalid conversion from ‘char*’ to ‘long unsigned int’ [-fpermissive]
45 | cin>>(v+1);
| ~~^~~
| |
| char*
answer.code:45:24: error: cannot bind rvalue ‘(long unsigned int)(((char*)(& v)) + 1)’ to ‘long unsigned int&’
/usr/include/c++/13/istream:188:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
188 | operator>>(long& __n)
| ^~~~~~~~
/usr/include/c++/13/istream:188:7: note: conversion of argument 1 would be ill-formed:
answer.code:45:24: error: invalid conversion from ‘char*’ to ‘long int’ [-fpermissive]
45 | cin>>(v+1);
| ~~^~~
| |
| char*
answer.code:45:24: error: cannot bind rvalue ‘(long int)(((char*)(& v)) + 1)’ to ‘long int&’
/usr/include/c++/13/istream:184:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
184 | operator>>(unsigned int& __n)
| ^~~~~~~~
/usr/include/c++/13/istream:184:7: note: conversion of argument 1 would be ill-formed:
answer.code:45:24: error: invalid conversion from ‘char*’ to ‘unsigned int’ [-fpermissive]
45 | cin>>(v+1);
| ~~^~~
| ...