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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a = 10, b = 20;
  5. printf("%d + %d %c %d\n", a, b, '=', a + b);
  6. return 0;
  7. }
  8.  
Success #stdin #stdout 0.01s 5284KB
stdin
Standard input is empty
stdout
10 + 20 = 30