Submission #71499

#	Time	Username	Problem	Language	Result	Execution time	Memory
71499		RezwanArefin01	Garage (IOI09_garage)	C++17	100 / 100	6 ms	952 KiB

garage

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

typedef long long ll;
typedef pair<int, int> ii; 

int w[2010], r[110], pos[2010], ans;
int main(int argc, char const *argv[]) {
	int n, m; 
	scanf("%d %d", &n, &m); 
	for(int i = 1; i <= n; i++) 
		scanf("%d", &r[i]); 
	for(int i = 1; i <= m; i++) 
		scanf("%d", &w[i]); 

	queue<int> q; 
	priority_queue<int, vector<int>, greater<int> > Q; 
	for(int i = 1; i <= n; i++) Q.push(i); 

	for(m *= 2; m--; ) {
		int x, y; scanf("%d", &x);
		if(x < 0) Q.push(pos[-x]); 
		else q.push(x); 

		while(!q.empty() && !Q.empty()) {
			x = q.front(); q.pop(); 
			y = Q.top(); Q.pop();  
			ans += w[x] * r[y]; 
			pos[x] = y; 
		}
	}
	printf("%d\n", ans);
}	

Compilation message (stderr)

garage.cpp: In function 'int main(int, const char**)':
garage.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m); 
  ~~~~~^~~~~~~~~~~~~~~~~
garage.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &r[i]); 
   ~~~~~^~~~~~~~~~~~~
garage.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &w[i]); 
   ~~~~~^~~~~~~~~~~~~
garage.cpp:21:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x, y; scanf("%d", &x);
             ~~~~~^~~~~~~~~~

• Subtask 1: 100 / 100