Aizu Online Judge 0231 Dangerous Bridge

■0231 Dangerous Bridge

時刻aと時刻b-1について調べるだけ．

import java.util.*;
import java.lang.*;
import java.math.*;
import java.io.*;

import static java.lang.Math.*;
import static java.util.Arrays.*;

public class Main{

 Scanner sc=new Scanner(System.in);

 int INF=1<<28;
 double EPS=1e-9;

 int n;
 int[] m, a, b;

 void run(){
  for(;;){
   n=sc.nextInt();
   if(n==0){
    break;
   }
   m=new int[n];
   a=new int[n];
   b=new int[n];
   for(int i=0; i<n; i++){
    m[i]=sc.nextInt();
    a[i]=sc.nextInt();
    b[i]=sc.nextInt();
   }
   solve();
  }
 }

 void solve(){
  for(int j=0; j<n; j++){
   int sum1=0, sum2=0;
   for(int i=0; i<n; i++){
    if(a[i]<=a[j]&&a[j]<b[i]){
     sum1+=m[i];
    }
    if(a[i]<=b[j]-1&&b[j]-1<b[i]){
     sum2+=m[i];
    }
   }
   if(sum1>150||sum2>150){
    println("NG");
    return;
   }
  }
  println("OK");
 }

 void debug(Object... os){
  System.err.println(Arrays.deepToString(os));
 }

 void print(String s){
  System.out.print(s);
 }

 void println(String s){
  System.out.println(s);
 }

 public static void main(String[] args){
  // System.setOut(new PrintStream(new BufferedOutputStream(System.out)));
  new Main().run();
 }
}