View Compilation Error

0_0_14681590_3129.c: In function 'main':
0_0_14681590_3129.c:9:24: error: 'EOF' undeclared (first use in this function)
  while(scanf("%d",&n)!=EOF&&n>=0){
                        ^
0_0_14681590_3129.c:9:24: note: each undeclared identifier is reported only once for each function it appears in
0_0_14681590_3129.c:13:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
    for(int j=0;j<125001;j++){
    ^
0_0_14681590_3129.c:13:4: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_14681590_3129.c:15:6: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
      for(int i=0;i<=m&&j+v*i<125001;i++)
      ^
0_0_14681590_3129.c:19:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
    for(int i=0;i<125001;i++)
    ^