34 lines
491 B
C++
Executable File
34 lines
491 B
C++
Executable File
#include <cstdio>
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#include <cstring>
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#define max(a,b) ((a)<(b)?(b):(a))
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int main()
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{
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int counter[10] = {0};
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char number[100];
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scanf("%s", number);
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int len = strlen(number);
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for(int i = 0; i <len; i++)
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counter[number[i] - 48]++;
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while(counter[6] < counter[9])
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{
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counter[6]++;
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counter[9]--;
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}
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while(counter[9] < counter[6])
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{
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counter[6]--;
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counter[9]++;
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}
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int sol = 0;
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for(int i = 0; i < 10; i++)
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if(sol < counter[i]) sol = counter[i];
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printf("%d\n", sol);
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}
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