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  1. #include <iostream>
  2. #include <cstdio>
  3. using namespace std;
  4.  
  5. int main() {
  6. int n, a, b, c, r;
  7. r=0;
  8. scanf("%d", &n);
  9. while(n--) {
  10. scanf("%d%d%d", &a, &b, &c);
  11. r+=(a+b+c)/2;
  12. }
  13. printf("%d", r);
  14. return 0;
  15. }
Success #stdin #stdout 0s 3300KB
stdin
2
1 0 0
0 1 1
stdout
1