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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 |
|---|---|---|---|---|---|---|---|---|---|
| #672724 | #8236. Snake Move | Swd146296# | Compile Error | / | / | C++20 | 1.5kb | 2024-10-24 18:27:34 | 2024-10-24 18:27:34 |
Judging History
answer
#include<bits/stdc++.h>
#define pii std::pair<int, int>
#define fs first
#define sc second
#define mp std::make_pair
typedef unsigned long long ull;
int n, m, k;
char map[3007][3007];
ull dis[3007][3007];
int vis[3007][3007];
int dx[5] = {0, 0, 1, 0, -1};
int dy[5] = {0, 1, 0, -1, 0};
std::priority_queue<std::pair<int, pii>, std::vector<std::pair<int,pii> >, std::greater<std::pair<int, pii> > >q;
int main()
{
memset(dis, 0x3f, sizeof dis);
std::cin >> n >> m >> k;
for(int i = 1; i <= k; i++)
{
int fi, se;
std::cin >> fi >> se;
vis[fi][se] = k - i + 1;
if(i == 1) {
q.push(mp( 0, mp(fi, se) ));
dis[fi][se] = 0;
}
}
for(int i = 1; i <= n; i++)
std::cin >> (map[i] + 1);
while(q.size())
{
std::pair<int,pii> fr = q.top();
pii pt = fr.sc;
q.pop();
if(dis[pt.fs][pt.sc] != fr.fs)
continue;
for(int i = 1; i <= 4; i++)
{
int newx = pt.fs + dx[i];
int newy = pt.sc + dy[i];
if(newx < 1 || newx > n || newy < 1 || newy > m)
continue;
if(map[newx][newy] == '#')
continue;
if(dis[newx][newy] > dis[pt.fs][pt.sc] + 1)
{
//printf("%d%d %d\n",newx,newy,std::max(dis[pt.fs][pt.sc] + 1, ull(vis[newx][newy])));
dis[newx][newy] = std::max(dis[pt.fs][pt.sc] + 1, ull(vis[newx][newy]));
q.push(mp(dis[newx][newy], mp(newx, newy) ));
}
}
}
ull ans = 0;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= m; j++)
{
if(dis[i][j] != 0x3f3f3f3f3f3f3f3f)
ans += dis[i][j] * dis[i][j];
}
}
std::cout << ans << std::endl;
}
详细
answer.code: In function ‘int main()’:
answer.code:32:26: error: no match for ‘operator>>’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘char*’)
32 | std::cin >> (map[i] + 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:32:37: error: cannot bind non-const lvalue reference of type ‘void*&’ to an rvalue of type ‘void*’
32 | std::cin >> (map[i] + 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:32:37: error: invalid conversion from ‘char*’ to ‘long long unsigned int’ [-fpermissive]
32 | std::cin >> (map[i] + 1);
| ~~~~~~~~^~~~
| |
| char*
answer.code:32:37: error: cannot bind rvalue ‘(long long unsigned int)(((char*)(& map[i])) + 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:32:37: error: invalid conversion from ‘char*’ to ‘long long int’ [-fpermissive]
32 | std::cin >> (map[i] + 1);
| ~~~~~~~~^~~~
| |
| char*
answer.code:32:37: error: cannot bind rvalue ‘(long long int)(((char*)(& map[i])) + 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:32:37: error: invalid conversion from ‘char*’ to ‘long unsigned int’ [-fpermissive]
32 | std::cin >> (map[i] + 1);
| ~~~~~~~~^~~~
| |
| char*
answer.code:32:37: error: cannot bind rvalue ‘(long unsigned int)(((char*)(& map[i])) + 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:32:37: error: invalid conversion from ‘char*’ to ‘long int’ [-fpermissive]
32 | std::cin >> (map[i] + 1);
| ~~~~~~~~^~~~
| |
| char*
answer.code:32:37: error: cannot bind rvalue ‘(long int)(((char*)(& map[i])) + 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 | ...