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https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
18 lines
269 B
C++
18 lines
269 B
C++
#include<stdio.h>
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int main()
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{
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int T;
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int t;
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int a,b;
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int n;
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scanf("%d",&T);
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while(T--)
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{
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scanf("%d",&n);
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t=3*n/2;
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while(t--) scanf("%d%d",&a,&b);
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printf("%d\n",n/2);
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}
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return 0;
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}
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