17 lines
312 B
C++
17 lines
312 B
C++
#include<cstdio>
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#include<algorithm>
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using namespace std;
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int main(){
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int n;
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scanf("%d",&n);
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int *a=new int [n];
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for (int i=0; i<n; ++i) scanf("%d",&a[i]);
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sort(a,a+n);
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for (int i=0,sum=0; i<n; ++i) {
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++sum; if ( (i+1==n) || (a[i]!=a[i+1])) printf("%d %d\n",a[i],sum),sum=0;
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}
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return 0;
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}
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