#include<bits/stdc++.h>
using namespace std;
int a[100000];
int main(){
int n,cnt=0,c=1;
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
}
for(int i=2;i<=n-1;i++){
if(a[i]==a[i-1]){
c++;
}
else{
c=1;
}
if(a[i]<a[i-c]&&a[i]<a[i+1]){
cnt++;
}
}
cout<<cnt;
return 0;
}
2 条评论
-
王梓宸 @ 2024-12-21 17:24:25#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; for(int i = 1; i <= n; i++) { string s; cin>>s; int cnt1=0,cnt2=0; for(int j = s.size()-1; j >= 0; j-=2) { cnt1+=s[j]-'0'; } for(int j = s.size()-2; j >= 0; j-=2) { cnt2+=s[j]-'0'; } if(cnt1%11==cnt2%11) { cout << "Yes" << endl; } else { cout << "No" << endl; } } return 0; } -
@ 2024-12-21 17:23:38#include <bits/stdc++.h> using namespace std;
int main() { int n; cin >> n; for(int i = 1; i <= n; i++) { string s; cin>>s; int cnt1=0,cnt2=0; for(int j = s.size()-1; j >= 0; j-=2) { cnt1+=s[j]-'0'; } for(int j = s.size()-2; j >= 0; j-=2) { cnt2+=s[j]-'0'; } if(cnt1%11==cnt2%11) { cout << "Yes" << endl; } else { cout << "No" << endl; } } return 0; }
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