23 lines
592 B
C++
23 lines
592 B
C++
//kopyh
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#include <bits/stdc++.h>
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#define INF 0x3f3f3f3f
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#define MOD 1000000007
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#define N 1123456
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using namespace std;
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long long n,m,sum,res,flag;
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int main()
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{
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#ifndef ONLINE_JUDGE
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freopen("test.txt","r",stdin);
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#endif
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long long i,j,cas,T,t,x,y,z,h,l,k;
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while(scanf("%I64d%I64d%I64d",&h,&l,&k)!=EOF)
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{
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x=k/h;//最大人数时一排几个部门
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y=k/(x+1);//多放一个部门时每个部门最多的人数
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res=y+1;//加一个人保证不能多放一个部门
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printf("%I64d\n",l/(k-k%res)+bool(l%(k-k%res)));//ok
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}
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return 0;
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}
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