#include <iostream> #include <algorithm> using namespace std; int T_1[1000005]; int T_2[1000005]; int T_3[1000005]; int T_4[1000005]; int o; int main() { ios_base::sync_with_stdio(0); int n; cin >> n; for (int i = 0; i < n; i++) { int r; cin >> r; int w; cin >> w; int t; cin >> t; int k = t - w; if (r == 1) { if (k >= 0) T_1[k]++; else T_2[-k]++; } else { if (k >= 0) T_3[k]++; else T_4[-k]++; } } o += min(T_1[0], T_3[0]); for (int i = 1; i <= 1000000; i++) { o += min(T_1[i], T_3[i]); o += min(T_2[i], T_4[i]); } cout << o; return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | #include <iostream> #include <algorithm> using namespace std; int T_1[1000005]; int T_2[1000005]; int T_3[1000005]; int T_4[1000005]; int o; int main() { ios_base::sync_with_stdio(0); int n; cin >> n; for (int i = 0; i < n; i++) { int r; cin >> r; int w; cin >> w; int t; cin >> t; int k = t - w; if (r == 1) { if (k >= 0) T_1[k]++; else T_2[-k]++; } else { if (k >= 0) T_3[k]++; else T_4[-k]++; } } o += min(T_1[0], T_3[0]); for (int i = 1; i <= 1000000; i++) { o += min(T_1[i], T_3[i]); o += min(T_2[i], T_4[i]); } cout << o; return 0; } |