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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. int n, a, b, c, r = 601;
  6. scanf("%d", &n);
  7. while(n--) {
  8. scanf("%d %d %d", &a, &b, &c);
  9. if(a + b + c >= 512)
  10. r = min(r, a + b + c);
  11. }
  12. printf("%d", r == 601 ? -1 : r);
  13. return 0;
  14. }
Success #stdin #stdout 0.01s 5264KB
stdin
3
40 70 80
0 0 0
60 100 120
stdout
-1