提交记录 22446 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
qwqwqwq	router32. 测测你的路由器	Compile Error	0	0 ns	0 KB	C++17	332 B

提交时间	评测时间
2024-09-01 13:27:47	2024-09-01 13:27:48

代码

#pragma GCC optimize("Ofast")
#include"router.h"
#include<map>
std::unordered_map<unsigned,unsigned>a[33];
void init(int b,int,const RoutingTableEntry*c){for(int d=0;d<b;d++)a[c[d].len][c[d].addr]=c[d].nexthop;}
unsigned query(unsigned b){for(int c=32;c;b&=~(1u<<--c))if(auto d=a[c].find(b);d!=a[c].end())return d->second;return 0;}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/ec5d90d6682211ef8cd0c970e0538c36/contestant.cpp:4:6: error: ‘unordered_map’ in namespace ‘std’ does not name a template type
    4 | std::unordered_map<unsigned,unsigned>a[33];
      |      ^~~~~~~~~~~~~
jp_data/tasks/ec5d90d6682211ef8cd0c970e0538c36/contestant.cpp:4:1: note: ‘std::unordered_map’ is defined in header ‘<unordered_map>’; did you forget to ‘#include <unordered_map>’?
    3 | #include<map>
  +++ |+#include <unordered_map>
    4 | std::unordered_map<unsigned,unsigned>a[33];
jp_data/tasks/ec5d90d6682211ef8cd0c970e0538c36/contestant.cpp: In function ‘void init(int, int, const RoutingTableEntry*)’:
jp_data/tasks/ec5d90d6682211ef8cd0c970e0538c36/contestant.cpp:5:68: error: ‘a’ was not declared in this scope
    5 | void init(int b,int,const RoutingTableEntry*c){for(int d=0;d<b;d++)a[c[d].len][c[d].addr]=c[d].nexthop;}
      |                                                                    ^
jp_data/tasks/ec5d90d6682211ef8cd0c970e0538c36/contestant.cpp: In function ‘unsigned int query(unsigned int)’:
jp_data/tasks/ec5d90d6682211ef8cd0c970e0538c36/contestant.cpp:6:67: error: ‘a’ was not declared in this scope
    6 | unsigned query(unsigned b){for(int c=32;c;b&=~(1u<<--c))if(auto d=a[c].find(b);d!=a[c].end())return d->second;return 0;}
      |                                                                   ^