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  1. #include <stdio.h>
  2. int main()
  3. {
  4. int i, sum=0;
  5.  
  6. for ( i=1 ; i<1000; i++)
  7. {
  8. if(i%2 == 0) {
  9. sum = sum+i;}
  10.  
  11. }
  12.  
  13. printf("合計:%d \n",sum);
  14.  
  15. return 0;
  16. }
Success #stdin #stdout 0s 4532KB
stdin
Standard input is empty
stdout
合計:249500