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  1. #include<stdio.h>
  2. int max(int a,int b){
  3.     if(a>b)
  4.     return a;
  5.     else
  6.     return b;
  7. }
  8. int min(int a,int b){
  9.     if(a<b)
  10.     return a;
  11.     else
  12.     return b;
  13. }
  14. int main(){
  15.     int t;
  16.     scanf("%d",&t);
  17.     while(t--){
  18.         int n,i,j,a,b,flag=0;
  19.         scanf("%d",&n);
  20.         int arr[n][3];
  21.         for(i=0;i<n;i++){
  22.             for(j=0;j<3;j++)
  23.             scanf("%d",&arr[i][j]);
  24.         }
  25.         if(arr[0][0]==1){
  26.         printf("YES\n");
  27.         flag=1;
  28.         }
  29.         else
  30.         printf("NO\n");
  31.         for(i=1;i<n;i++){
  32.             if(arr[i][0]==1&&!(arr[i][1]==arr[i][2])){
  33.                 printf("YES\n");
  34.                 flag=1;
  35.                 continue;
  36.             }
  37.             else if(arr[i][1]==arr[i][2]){
  38.                 printf("YES\n");
  39.                 flag=0;
  40.                 continue;
  41.             }
  42.             else if(flag==0){
  43.                 printf("NO\n");
  44.                 continue;
  45.             }
  46.             a=max(arr[i-1][1],arr[i-1][2]);
  47.             b=min(arr[i][1],arr[i][2]);
  48.             if(b<a){
  49.             printf("YES\n");}
  50.             else{
  51.             flag=0;
  52.             printf("NO\n");}
  53.         }
  54.     }
  55.     return 0;
  56. }
Success #stdin #stdout 0s 4240KB
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https://ideone.com/66JfAn
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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