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30 lines
400 B
C++
30 lines
400 B
C++
#include <iostream>
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#include <cstring>
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#include <cstdio>
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#include <iomanip>
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using namespace std;
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int main(){
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int a[10000],b,c,d,e,f,g=0;
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cin >>b;
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for(int i=0;i<b;i++){
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cin >>a[i];
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}
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for(int i=0;i<b;i++){
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c=a[i]%10;
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a[i]/=10;
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d=a[i]%10;
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a[i]/=10;
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e=a[i]%10;
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a[i]/=10;
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f=a[i]%10;
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a[i]/=10;
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if((c-d-e-f)>0){
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g++;
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}
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}
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cout <<g;
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return 0;
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}
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