online compiler and debugger for c/c++

code. compile. run. debug. share.
Source Code    Language
#include <stdio.h> int main() { int n; FILE *fd = fopen("input.txt", "r"); if (fd==NULL) printf("Couldn't open file."); for(int i=0; i<3 ;i++) { fscanf(fd, "%d", &n); printf("Number: %d\n", n); } return 0; }
1 2 3

Compiling Program...

Command line arguments:
Standard Input: Interactive Console Text
×

                

                

Program is not being debugged. Click "Debug" button to start program in debug mode.

#FunctionFile:Line
VariableValue
RegisterValue
ExpressionValue