---
# System prepended metadata

title: 13634 - Indentation Revenge
tags: [input]

---

# 13634 - Indentation Revenge
>author: Utin
###### tags: `input`

---

## Brief
See the code below

## Solution 0

```c=
#include <stdio.h>

int main() {
    char c, pre_c;
    int k = 0, head = 0;
    while((c = getchar()) != EOF) {
        if(c == ' ' && k == 0) {
            head = 1;
            printf(";");
        }
        else if(c == '\n') {
            putchar(c);
            k = 0;
        }
        else if(c != ';') {
            if(pre_c == ';') putchar(pre_c);
            putchar(c);
            k = 1;
        }
        else {
            if(pre_c == ';') putchar(pre_c);
        }
        pre_c = c;
    }
    printf("// surprise<3\n");
}
// By Utin
```

## Reference