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https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
28 lines
519 B
C++
28 lines
519 B
C++
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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using namespace std;
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int main()
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{
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int inc;
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int five,two,one;
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int five_max,two_max,one_max;
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int ans=0;
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scanf("%d",&inc);
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five_max=inc/5;
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two_max=inc/2;
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one_max=inc;
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for(five=1;five<=five_max;five++)
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{
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for(two=1;two<=two_max;two++)
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{
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for(one=1;one<=one_max;one++)
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{
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if(5*five+2*two+one==inc) ans++;
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}
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}
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}
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printf("%d\n",ans);
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return 0;
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}
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