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  1. #include<stdio.h>
  2. #include<string.h>
  3.  
  4. char A[2001];
  5. int main () {
  6.     int t;
  7.     scanf("%d",&t);
  8. 	while(t--) {
  9. 		int n, k, cont, i, j, a, b;
  10. 		scanf("%d %d",&n,&k);
  11. 		cont=0;
  12. 		for(i=0;i<n;i++) {
  13.             if(cont==0) {
  14.                 A[i]='(';
  15.                 cont=1;
  16.             }
  17.             else if (cont==1) {
  18.                 A[i]=')';
  19.                 cont=0;
  20.             }
  21.         }
  22. 		while(k--) {
  23. 			cont=0;
  24. 			scanf("%d %d",&a,&b);
  25. 			while(a<=b) {
  26.                 if(cont==0) {
  27.                     A[a]='(';
  28.                     cont=1;
  29.                     a++;
  30.                 }
  31.                 else if (cont==1) {
  32.                     A[a]=')';
  33.                     a++;
  34.                     cont=0;
  35.                 }
  36.             }
  37. 		}
  38. 		A[n] = 0;
  39. 		printf("%s\n",A);
  40. 	}
  41.     return 0;
  42. }
Success #stdin #stdout 0s 3416KB
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https://ideone.com/p72PGm
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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