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Copy pathdaily-temperatures.cpp
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daily-temperatures.cpp
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class Solution {
public:
// 二刷,想想我为什么连result的vector都不需要
vector<int> dailyTemperatures(vector<int>& T) {
stack<int> s;
for(int i=0;i<T.size();i++){
while(!s.empty() && T[i]>T[s.top()]){
T[s.top()]=i-s.top();
s.pop();
}
s.push(i);
}
while(!s.empty()){
T[s.top()]=0;
s.pop();
}
return T;
}
// 预警:下面有提示
vector<int> dailyTemperatures1(vector<int>& T) {
stack<int> s;
vector<int> vec(T.size());
for(int i=0;i<T.size();i++){
while(!s.empty() && T[s.top()]<T[i]){
vec[s.top()]=i-s.top();
s.pop();
}
s.emplace(i);
}
return vec;
}//终于自己会写单调栈了,可喜可贺!
};