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  1. #include <stdio.h>
  2. int main() {
  3. for(int i = 1; i <= 5; i++) {
  4. printf("%d%d\n", i, i+1);
  5. }
  6. return 0;
  7. }
Success #stdin #stdout 0.03s 25656KB
stdin
Standard input is empty
stdout
#include <stdio.h>
int main() {
    for(int i = 1; i <= 5; i++) {
        printf("%d%d\n", i, i+1);
    }
    return 0;
}