Submission #69553508

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Source Code Expand

#include <bits/stdc++.h>
//#include <windows.h>
//taskkill /f /im Untitled1.exe
#define ED cerr<<endl;
#define TS cerr<<"I AK IOI"<<endl;
#define cr(x) cerr<<x<<endl;
#define cr2(x,y) cerr<<x<<" "<<y<<endl;
#define cr3(x,y,z) cerr<<x<<" "<<y<<" "<<z<<endl;
#define cr4(x,y,z,w) cerr<<x<<" "<<y<<" "<<z<<" "<<w<<endl;
#define pr(a,l,r) for(int i=l;i<=r;++i) cerr<<a[i]<<' ';ED
#define popcnt __builtin_popcount
#define all(s) s.begin(),s.end()
#define bstring basic_string
//#define add(x,y) (x+=y)%=mod
#define pii pair<int,int>
#define epb emplace_back
#define pb push_back
#define ins insert
#define fi first
#define se second
#define ll long long
#define ull unsigned long long
using namespace std;
const int N=1e6+5,INF=2e9,mod=998244353;
int n,m,k;
int a[N],cnt[N];

int main() {
	scanf("%d",&n);
	for(int i=1;i<=n;++i) {
		scanf("%d",&a[i]);
	}
	ll ans=1;++cnt[a[n]];
	for(int i=n-1;i>=1;--i) {
		if(a[i]!=a[i+1]) {
			ans+=n-i-cnt[a[i]];
		}
		++cnt[a[i]];
	}
	printf("%lld\n",ans);
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:29:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   29 |         scanf("%d",&n);
      |         ~~~~~^~~~~~~~~
Main.cpp:31:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   31 |                 scanf("%d",&a[i]);
      |                 ~~~~~^~~~~~~~~~~~

Judge Result