Submission #287380

#	Time	Username	Problem	Language	Result	Execution time	Memory
287380		Namnamseo	Garage (IOI09_garage)	C++17	100 / 100	2 ms	384 KiB

garage

#include <cstdio>
#include <cstdlib>

int sc[2010];
int ww[2010];
int place[2010];
int who  [2010];
int n,m;

int queue[2010];
int h,t;

int main()
{
    int income=0;
    scanf("%d%d",&n,&m);
    for(int i=1; i<=n; ++i) scanf("%d",sc+i);
    for(int i=1; i<=m; ++i) scanf("%d",ww+i);
    int a;
    int filled=0;
    for(int _=1; _<=2*m; ++_){
        scanf("%d",&a);
        if(a>0){
            queue[h++]=a;
        } else {
            a=-a;
            who[place[a]]=0;
            place[a]=0;
            --filled;
        }
        while(filled<n && t<h){
            int i;
            for(i=1; i<=n; ++i){
                if(who[i]==0) break;
            }
            who[i]=queue[t];
            place[queue[t]]=i;
            income += sc[i]*ww[who[i]];
            ++filled; ++t;
        }
    }
    printf("%d\n",income);
    return 0;
}

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%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
garage.cpp:17:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |     for(int i=1; i<=n; ++i) scanf("%d",sc+i);
      |                             ~~~~~^~~~~~~~~~~
garage.cpp:18:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   18 |     for(int i=1; i<=m; ++i) scanf("%d",ww+i);
      |                             ~~~~~^~~~~~~~~~~
garage.cpp:22:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   22 |         scanf("%d",&a);
      |         ~~~~~^~~~~~~~~

• Subtask 1: 100 / 100