LRU Paging

#include<stdio.h>
int findLRU(int time[], int n)
{ 
int i, minimum = time[0], pos = 0; 
for(i = 1; i < n; ++i)
{ 
if(time[i] < minimum)
{ 
minimum = time[i]; 
pos = i; 
} 
} 
return pos;
}
int main()
{ 
int no_of_frames, no_of_pages, frames[10], pages[30], counter = 0, time[10], flag1, flag2, i, 
j, pos, faults = 0;
printf("Enter number of frames: "); 
scanf("%d", &no_of_frames);
printf("Enter number of pages: ");
scanf("%d", &no_of_pages); 
printf("Enter reference string: "); 
for(i = 0; i < no_of_pages; ++i)
{ 
scanf("%d", &pages[i]); 
} 
for(i = 0; i < no_of_frames; ++i)
{ 
frames[i] = -1; 
} 
for(i = 0; i < no_of_pages; ++i)
{ 
flag1 = flag2 = 0;
for(j = 0; j < no_of_frames; ++j)
{ 
if(frames[j] == pages[i])
{ 
counter++; 
time[j] = counter; 
flag1 = flag2 = 1; 
break; 
} 
} 
if(flag1 == 0)
{ 
for(j = 0; j < no_of_frames; ++j)
{ 
if(frames[j] == -1)
{ 
counter++; 
faults++; 
frames[j] = pages[i]; 
time[j] = counter; 
flag2 = 1; 
break; 
} 
} 
} 
if(flag2 == 0)
{ 
pos = findLRU(time, no_of_frames); 
counter++; 
faults++; 
frames[pos] = pages[i]; 
 time[pos] = counter; 
}
printf("\n");
for(j = 0; j < no_of_frames; ++j)
{ 
printf("%d\t", frames[j]); 
} 
}
printf("\n\nTotal Page Faults = %d", faults);
return 0;
}