Submission #1094829

#	Time	Username	Problem	Language	Result	Execution time	Memory
1094829		salmon	Garage (IOI09_garage)	C++14	100 / 100	1 ms	348 KiB

garage

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

int N;
int M;
int R[110];
set<int> sat;
int inv[2110];
int tim[110];
int W[2100];
int x;
queue<int> q;

int main(){

    scanf(" %d",&N);
    scanf(" %d",&M);

    for(int i = 0; i < N; i++){
        scanf(" %d",&R[i]);
        sat.insert(i);
    }

    for(int i = 1; i <= M; i++){
        inv[i] = -1;
        scanf(" %d",&W[i]);
    }

    long long int ans = 0;

    for(int i = 0; i < M * 2; i ++){
        scanf(" %d",&x);

        if(x < 0){
            x = -x;
            sat.insert(inv[x]);
            ans += R[inv[x]] * W[x];
            if(!q.empty()){
                x = q.front();
                q.pop();
            }
            else x = -1;
        }

        if(x > 0){
            if(sat.empty()){
                q.push(x);
                continue;
            }
            int l = *sat.begin();
            sat.erase(sat.begin());
            tim[l] = i;
            inv[x] = l;
        }
    }

    printf("%lld",ans);
}

Compilation message (stderr)

garage.cpp: In function 'int main()':
garage.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     scanf(" %d",&N);
      |     ~~~~~^~~~~~~~~~
garage.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |     scanf(" %d",&M);
      |     ~~~~~^~~~~~~~~~
garage.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         scanf(" %d",&R[i]);
      |         ~~~~~^~~~~~~~~~~~~
garage.cpp:26:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |         scanf(" %d",&W[i]);
      |         ~~~~~^~~~~~~~~~~~~
garage.cpp:32:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         scanf(" %d",&x);
      |         ~~~~~^~~~~~~~~~

• Subtask 1: 100 / 100