Submission #171543

#	Time	Username	Problem	Language	Result	Execution time	Memory
171543		juggernaut	Money (IZhO17_money)	C++14	45 / 100	1538 ms	58144 KiB

money

//Just try and the idea will come!
#include<bits/stdc++.h>
using namespace std;
set<int>st;
int mx,n,i,a[1000001],ans;
main(){
    st.insert(1e8);
    scanf("%lld",&n);
    for(i=0;i<n;i++)scanf("%lld",&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("%lld",ans);
}

Compilation message (stderr)

money.cpp:6:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
money.cpp: In function 'int main()':
money.cpp:8:20: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
     scanf("%lld",&n);
                  ~~^
money.cpp:9:39: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
     for(i=0;i<n;i++)scanf("%lld",&a[i]);
                                  ~~~~~^
money.cpp:18:22: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=]
     printf("%lld",ans);
                      ^
money.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld",&n);
     ~~~~~^~~~~~~~~~~
money.cpp:9:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=0;i<n;i++)scanf("%lld",&a[i]);
                     ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 0 / 55