Submission #733113

#	Time	Username	Problem	Language	Result	Execution time	Memory
733113		penguin133	Garage (IOI09_garage)	C++17	100 / 100	1 ms	340 KiB

garage

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

int n, m, A[105], B[2005];
int a[105];
void solve(){
	cin >> n >> m;
	for(int i=1;i<=n;i++)cin >> A[i];
	for(int i=1;i<=m;i++)cin >> B[i];
	queue <int> q;
	int ans = 0;
	for(int i=1;i<=2*m;i++){
		int x; cin >> x;
		if(x < 0){
			for(int j=1;j<=n;j++){
				if(a[j] == -x){
					a[j] = 0;
					break;
				}
			}
		}
		else{
			q.push(x);
			
		}
      if(q.empty())continue;
		int tmp = q.front();
			for(int j=1;j<=n;j++){
				if(!a[j]){
					a[j] = tmp;
					ans += A[j] * B[tmp];
					q.pop();
					break;
				}
			}
	}
	cout << ans;
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message (stderr)

garage.cpp:50:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   50 | main(){
      | ^~~~

• Subtask 1: 100 / 100