Submission #173093

#	Time	Username	Problem	Language	Result	Execution time	Memory
173093		juggernaut	Money (IZhO17_money)	C++14	100 / 100	1338 ms	51976 KiB

money

#include<bits/stdc++.h>
using namespace std;
set<int>st;
int mx,n,i,a[1000001],ans;
main(){
    st.insert(1e8);
    scanf("%d",&n);
    for(i=0;i<n;i++)scanf("%d",&a[i]);
    i=0;
    while(i<n){
        mx=*st.upper_bound(a[i]);
        st.insert(a[i]);
        while(i+1<n&&a[i]<=a[i+1]&&a[i+1]<=mx)i++,st.insert(a[i]);
        i++;
        ans++;
    }
    printf("%d",ans);
}

Compilation message (stderr)

money.cpp:5:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
money.cpp: In function 'int main()':
money.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
money.cpp:8:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=0;i<n;i++)scanf("%d",&a[i]);
                     ~~~~~^~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 55 / 55