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  1. #include <stdio.h>
  2. main()
  3. {
  4. int i = 1;
  5. int sum = 0 ;
  6. int k;
  7. scanf("%d",&i);
  8. while(i<=k)
  9. {
  10. sum = sum + i;
  11. i = i+1;
  12. }
  13. printf("1加到%d的和=%d",k,sum);
  14. }
Time limit exceeded #stdin #stdout 5s 4344KB
stdin
10
stdout
Standard output is empty