页面调度算法

fifo lru opt 页面置换调度算法 void LRU(int pagenum, int treq) {  int i,j, count = 0;  int effect = 0;  pageInit();  for (i = 0; i < treq; i++){   if (vp[req[i]].mp == INVALID) {         if (count < pagenum) {     vp[req[i]].mp = count;     mp[count] = req[i];     count++;     for (j = 0; j < count; j++) {      vp[mp[j]].dura++;     }    }    else {     int maxtime = 0, maxtimevpNum = 0;     for (j = 0; j < pagenum; j++) {        if (vp[mp[j]].dura > maxtime){       maxtime = vp[mp

opt_lru_fifo.cpp