如何解决为什么我会收到“运行时错误:AddressSanitizer:致命信号”?
在尝试解决 this leetcode problem 时,我收到一个运行时错误:AddressSanitizer:致命信号。
完整的错误信息是
AddressSanitizer:DEADLYSIGNAL
=================================================================
==30==ERROR: AddressSanitizer: SEGV on unknown address (pc 0x0000002b0452 bp 0x7ffd8e6682e0 sp 0x7ffd8e667a78 T0)
==30==The signal is caused by a READ memory access.
==30==Hint: this fault was caused by a dereference of a high value address (see register values below). Dissassemble the provided pc to learn which register was used.
#3 0x7f73671f7d6b (/lib/x86_64-linux-gnu/libstdc++.so.6+0x144d6b)
#10 0x7f7366d6b0b2 (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
AddressSanitizer can not provide additional info.
==30==ABORTING
问题描述:
给定一个“模式”和一个字符串“s”,查找“s”是否遵循相同的“模式”。
这里follow表示完全匹配,即pattern中的一个字母和s中的一个非空词之间存在双射。
Example 1:
Input: pattern = "abba",s = "dog cat cat dog"
Output: true
Example 2:
Input: pattern = "abba",s = "dog cat cat fish"
Output: false
这是我的解决方案:
class Solution {
public:
bool wordPattern(string pattern,string s) {
vector<string>vec;
string tmp = "";
for(int i=0 ; i<s.size() ; i++){
if(s[i] == ' '){
vec.push_back(tmp);
tmp.clear();
continue;
}
tmp += s[i];
}
map<char,set<string> > mp;
for(int i=0 ; i<pattern.size() ; i++){
mp[pattern[i]].insert(vec[i]);
}
bool flag = 0;
for(int i=0 ; i<pattern.size() ; i++){
char x = pattern[i];
if(mp[x].size() != 1)
flag = 1;
}
return !flag;
}
};
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