32 lines
395 B
C++
32 lines
395 B
C++
#include <iostream>
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#include <string>
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#include <vector>
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#include <cmath>
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using namespace std;
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int main(){
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ios::sync_with_stdio(0);
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cin.tie(0);
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int t;
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cin >> t;
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int n = 0;
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for(int tc = 1; tc <= t; ++tc){
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int a, b, c;
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cin >> a >> b >> c;
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if(a + b + c > 1){
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n++;
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}
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}
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cout << n;
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cout << flush;
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return 0;
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} |