方法一:暴力破解
var dailyTemperatures = function(temperatures) {
const len = temperatures.length;
let stack = [];
for(let i=0;i<len;i++){
let idx = i + 1;
while(idx<len&&temperatures[idx]<=temperatures[i]){
idx++;
}
if(idx>=len)stack.push(0);
else
stack.push(idx - i);
}
return stack;
};