#include <vector> #include <cstdio> #include <set> #include <algorithm> #include <utility> using namespace std; bool tcase() { int n; scanf("%d", &n); vector<int> l(n),a(n),b(n); long long sa = 0, sb = 0; for (int i = 0; i < n; i++) { scanf("%d %d %d", &l[i], &a[i], &b[i]); sa += ((long long)l[i]) * a[i]; sb += ((long long)l[i]) * b[i]; } if (sa != sb) return false; for(int ii = 0; ii < 2; ii++) { vector<pair<int,int> > aa(n), bb(n); int sl = 0; sa = sb = 0; for (int i = 0; i < n; i++) { aa[i].first = a[i]; aa[i].second = l[i]; bb[i].first = b[i]; bb[i].second = l[i]; } sort(aa.begin(), aa.end()); sort(bb.begin(), bb.end()); for (int i = 0, j = 0; i < n; i++) { while(j < n && sl + aa[j].second <= bb[i].second) { //printf("adding %d %d\n",aa[j].first, aa[j].second); sl += aa[j].second; sa += ((long long)aa[j].first) * aa[j].second; j++; } if (j < n && sl < bb[i].second) { //printf("partial %d %d\n",bb[i].first, bb[i].second); aa[j].second -= bb[i].second - sl; sa += ((long long)aa[j].first) * (bb[i].second - sl); sa -= ((long long)bb[i].first) * bb[i].second; if (sa > 0) return false; sl = 0; } else { //printf("full %d %d\n",bb[i].first, bb[i].second); sa -= ((long long)bb[i].first) * bb[i].second; sl -= bb[i].second; if (sa > 0) return false; } } for(int i = 0; i < n; i++) a[i] *= -1, b[i] *= -1; } return true; } int main() { int tt; scanf("%d", &tt); while(tt--) { if (tcase()) puts("TAK"); else puts("NIE"); } 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 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | #include <vector> #include <cstdio> #include <set> #include <algorithm> #include <utility> using namespace std; bool tcase() { int n; scanf("%d", &n); vector<int> l(n),a(n),b(n); long long sa = 0, sb = 0; for (int i = 0; i < n; i++) { scanf("%d %d %d", &l[i], &a[i], &b[i]); sa += ((long long)l[i]) * a[i]; sb += ((long long)l[i]) * b[i]; } if (sa != sb) return false; for(int ii = 0; ii < 2; ii++) { vector<pair<int,int> > aa(n), bb(n); int sl = 0; sa = sb = 0; for (int i = 0; i < n; i++) { aa[i].first = a[i]; aa[i].second = l[i]; bb[i].first = b[i]; bb[i].second = l[i]; } sort(aa.begin(), aa.end()); sort(bb.begin(), bb.end()); for (int i = 0, j = 0; i < n; i++) { while(j < n && sl + aa[j].second <= bb[i].second) { //printf("adding %d %d\n",aa[j].first, aa[j].second); sl += aa[j].second; sa += ((long long)aa[j].first) * aa[j].second; j++; } if (j < n && sl < bb[i].second) { //printf("partial %d %d\n",bb[i].first, bb[i].second); aa[j].second -= bb[i].second - sl; sa += ((long long)aa[j].first) * (bb[i].second - sl); sa -= ((long long)bb[i].first) * bb[i].second; if (sa > 0) return false; sl = 0; } else { //printf("full %d %d\n",bb[i].first, bb[i].second); sa -= ((long long)bb[i].first) * bb[i].second; sl -= bb[i].second; if (sa > 0) return false; } } for(int i = 0; i < n; i++) a[i] *= -1, b[i] *= -1; } return true; } int main() { int tt; scanf("%d", &tt); while(tt--) { if (tcase()) puts("TAK"); else puts("NIE"); } return 0; } |