14 lines
261 B
C++
14 lines
261 B
C++
#include<cstdio>
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int main()
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{
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double n;
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scanf("%lf",&n);
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double res;
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if(n<=150) res=n*0.4463;
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else if(n<=400) res=150*0.4463+(n-150)*0.4663;
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else res=150*0.4463+250*0.4663+(n-400)*0.5663;
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printf("%.1lf\n",res);
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return 0;
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}
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//267
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