Submission #163865

#	Time	Username	Problem	Language	Result	Execution time	Memory
163865		beso123	Baloni (COCI15_baloni)	C++14	100 / 100	338 ms	10888 KiB

baloni

#include <bits/stdc++.h>
#define int long long
using namespace std;
int n,a[1000001],used[1000001];
main(){
scanf("%i64d",&n);
for(int k=1;k<=n;k++)
    scanf("%I64d",&a[k]);
int ans=0;
ans++;
used[a[1]]++;
for(int k=2;k<=n;k++){
   if(used[a[k]+1]==0)
        ans++;
   else used[a[k]+1]--;
   used[a[k]]++;
}
cout<<ans;
return 0;
}

Compilation message (stderr)

baloni.cpp:5:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
baloni.cpp: In function 'int main()':
baloni.cpp:6:17: warning: format '%i' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
 scanf("%i64d",&n);
               ~~^
baloni.cpp:8:24: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
     scanf("%I64d",&a[k]);
                   ~~~~~^
baloni.cpp:6:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%i64d",&n);
 ~~~~~^~~~~~~~~~~~
baloni.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%I64d",&a[k]);
     ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 100 / 100