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  1. #include <stdio.h>
  2. int main() {
  3. int i=1;
  4. int sum=0;
  5. while(sum<=1000){
  6. sum+=i;
  7. i++;
  8. }
  9. printf("%d\n",i-1);
  10. return 0;
  11.  
  12. }
Success #stdin #stdout 0.01s 5308KB
stdin
Standard input is empty
stdout
45