28 lines
385 B
C++
28 lines
385 B
C++
#include<cstdio>
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using namespace std;
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int main()
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{
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int n,a,b;
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scanf("%d",&n);
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bool ans[n];
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for(int i=0;i<n;i++)
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{
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scanf("%d%d",&a,&b);
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ans[i]=(a>=90&&a<=140&&b>=60&&b<=90);
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}
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int answer,max;
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answer=max=0;
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for(int i=0;i<n;i++)
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{
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if(ans[i]) max++;
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else
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{
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if(max>answer) answer=max;
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max=0;
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}
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}
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if(max>answer) answer=max;
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printf("%d\n",answer);
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return 0;
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}
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