21 lines
413 B
C++
21 lines
413 B
C++
// lanqiao 2098 刷题统计(枚举法)
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#include<bits/stdc++.h>
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using namespace std;
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#define int long long
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signed main(){
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int a, b, n; cin >> a >> b >> n;
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int sum = 0, i;
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for(i = 1; ;i++){
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if(i % 7 != 0 && i % 7 != 6){
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sum += a;
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}else{
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sum += b;
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}
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if(sum >= n) break;
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}
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cout << i << endl;
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return 0;
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}
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/* test samples -> 8
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10 20 99
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*/ |