#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//typedef tree < int , null_type, less <int>, rb_tree_tag, tree_order_statistics_node_update> TREE;
#define ll long long int
#define pb push_back
#define mp make_pair
#define vi vector<int>
#define pii pair<int,int>
#define pss pair<short,short>
#define pld pair<long double,long double >
#define ld long double
#define piii pair<pii,int>
#define vii vector<pair<int,int> >
#define st first
#define nd second
#define speed ios::sync_with_stdio(false);cin.tie();cout.tie();
//#define int long long
//const int mod=1000000007;
//const int mod=1000003;
const int mod=998244353;
const int inf=1000000009;
const long long INF=1000000000000000009;
const long long big=1000000000000000;
const long double eps=0.0000000001;
using namespace std;
pii A[100005],B[100005];
int main()
{
speed
int t;
cin>>t;
for(int i=1;i<=t;i++)
{
int n;
cin>>n;
ll suma1=0,suma2=0;
for(int j=1;j<=n;j++)
{
int a,b,c;
cin>>a>>b>>c;
suma1+=(ll)a*b;
suma2+=(ll)a*c;
A[j]=mp(b,a);
B[j]=mp(c,a);
}
sort(A+1,A+n+1);
sort(B+1,B+n+1);
bool czy=true;
int wsk=1;
ll x=0,y=0,l1=0,l2=0,u=0;
for(int j=1;j<=n;j++)
{
x+=(ll)B[j].st*B[j].nd;
l1+=B[j].nd;
while(l2<l1)
{
ll d;
if(A[wsk].nd-u<=l1-l2)
{
d=A[wsk].nd-u;
u=0;
y+=(ll)A[wsk].st*d;
wsk++;
}
else
{
d=l1-l2;
u+=d;
y+=(ll)A[wsk].st*d;
}
l2+=d;
}
//cout<<j<<" "<<x<<" "<<y<<endl;
if(x<y)
{
czy=false;
break;
}
}
wsk=n;
x=0,y=0,l1=0,l2=0,u=0;
for(int j=n;j>=1;j--)
{
x+=(ll)B[j].st*B[j].nd;
l1+=B[j].nd;
while(l2<l1)
{
ll d;
if(A[wsk].nd-u<=l1-l2)
{
d=A[wsk].nd-u;
u=0;
y+=(ll)A[wsk].st*d;
wsk--;
}
else
{
d=l1-l2;
u+=d;
y+=(ll)A[wsk].st*d;
}
l2+=d;
}
if(x>y)
{
czy=false;
break;
}
}
if(suma1==suma2&&czy)
cout<<"TAK\n";
else
cout<<"NIE\n";
}
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 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | #include <bits/stdc++.h> //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> //typedef tree < int , null_type, less <int>, rb_tree_tag, tree_order_statistics_node_update> TREE; #define ll long long int #define pb push_back #define mp make_pair #define vi vector<int> #define pii pair<int,int> #define pss pair<short,short> #define pld pair<long double,long double > #define ld long double #define piii pair<pii,int> #define vii vector<pair<int,int> > #define st first #define nd second #define speed ios::sync_with_stdio(false);cin.tie();cout.tie(); //#define int long long //const int mod=1000000007; //const int mod=1000003; const int mod=998244353; const int inf=1000000009; const long long INF=1000000000000000009; const long long big=1000000000000000; const long double eps=0.0000000001; using namespace std; pii A[100005],B[100005]; int main() { speed int t; cin>>t; for(int i=1;i<=t;i++) { int n; cin>>n; ll suma1=0,suma2=0; for(int j=1;j<=n;j++) { int a,b,c; cin>>a>>b>>c; suma1+=(ll)a*b; suma2+=(ll)a*c; A[j]=mp(b,a); B[j]=mp(c,a); } sort(A+1,A+n+1); sort(B+1,B+n+1); bool czy=true; int wsk=1; ll x=0,y=0,l1=0,l2=0,u=0; for(int j=1;j<=n;j++) { x+=(ll)B[j].st*B[j].nd; l1+=B[j].nd; while(l2<l1) { ll d; if(A[wsk].nd-u<=l1-l2) { d=A[wsk].nd-u; u=0; y+=(ll)A[wsk].st*d; wsk++; } else { d=l1-l2; u+=d; y+=(ll)A[wsk].st*d; } l2+=d; } //cout<<j<<" "<<x<<" "<<y<<endl; if(x<y) { czy=false; break; } } wsk=n; x=0,y=0,l1=0,l2=0,u=0; for(int j=n;j>=1;j--) { x+=(ll)B[j].st*B[j].nd; l1+=B[j].nd; while(l2<l1) { ll d; if(A[wsk].nd-u<=l1-l2) { d=A[wsk].nd-u; u=0; y+=(ll)A[wsk].st*d; wsk--; } else { d=l1-l2; u+=d; y+=(ll)A[wsk].st*d; } l2+=d; } if(x>y) { czy=false; break; } } if(suma1==suma2&&czy) cout<<"TAK\n"; else cout<<"NIE\n"; } return 0; } |
English