51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
#include <stdio.h>
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#include <string.h>
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#include <algorithm>
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using namespace std;
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int n;
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int a[100005],len;
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char str[10];
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__int64 sum;
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int main()
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{
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int i,j,k;
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while(~scanf("%d",&n))
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{
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len = 0;
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while(n--)
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{
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scanf("%s",str);
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if(!strcmp(str,"add"))
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{
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scanf("%d",&k);
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for(i = len++; i>0; i--)
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{
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if(a[i-1]>k)
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a[i] = a[i-1];
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else
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break;
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}
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a[i] = k;
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}
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else if(!strcmp(str,"del"))
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{
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scanf("%d",&k);
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for(i = 0; i<len; i++)
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if(a[i] == k)
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break;
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for(; i<len; i++)
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a[i] = a[i+1];
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len--;
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}
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else if(!strcmp(str,"sum"))
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{
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sum = 0;
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for(i = 2; i<len; i+=5)
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sum+=a[i];
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printf("%I64d\n",sum);
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}
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}
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}
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return 0;
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}
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