Em có code 1 đoạn như sau :
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main()
{
int sodoan1 = 0, sodoan2 = 0, sobimat =0, modetrochoi = 0, dokho = 0, solanchoi = 1, luachon = 0;
do {
printf("***Chao mung ban den voi tro choi doan so***\nChon mode ban muon choi\n1.Mot nguoi\n2.Hai nguoi\n");
scanf("%d", &modetrochoi);
switch(modetrochoi) {
case 1:
printf("Ban da chon che do 1 nguoi.\n***Chon do kho cho tro choi***\n1.De(1->100)\n2.Binh thuong(1->1000)\n3.Kho(1->10000)\n");
scanf("%d", &dokho);
switch(dokho) {
case 1:
printf("Ban da chon che do de.\n");
const int MAX= 100, MIN=1;
srand(time(NULL));
sobimat = (rand() % (MAX - MIN + 1) + MIN);
do{
printf("Nhap so cua ban vao day:\n");
scanf("%d", &sodoan1);
if ( sodoan1 == sobimat) printf("Xin chuc mung!!! Ban da doan trung sau %d lan choi.\n", solanchoi);
else if (sodoan1 > sobimat) printf("Nho hon mot chut.\n");
else printf("Lon hon mot chut.\n");
solanchoi++; } while (sodoan1 != sobimat);
break;
case 2:
printf("Ban da chon che do binh thuong.\n");
const int tonhat= 1000, benhat=1;
srand(time(NULL));
sobimat = (rand() % (tonhat - benhat + 1) + benhat);
do{
printf("Nhap so cua ban vao day:\n");
scanf("%d", &sodoan1);
if ( sodoan1 == sobimat) printf("Xin chuc mung!!! Ban da doan trung sau %d lan choi.\n", solanchoi);
else if (sodoan1 > sobimat) printf("Nho hon mot chut.\n");
else printf("Lon hon mot chut.\n");
solanchoi++; } while (sodoan1 != sobimat);
break;
case 3:
printf("Ban da chon che do kho.\n");
const int to= 10000, be=1;
srand(time(NULL));
sobimat = (rand() % (to - be + 1) + be);
do{
printf("Nhap so cua ban vao day:\n");
scanf("%d", &sodoan1);
if ( sodoan1 == sobimat) printf("Xin chuc mung!!! Ban da doan trung sau %d lan choi.\n", solanchoi);
else if (sodoan1 > sobimat) printf("Nho hon mot chut.\n");
else printf("Lon hon mot chut.\n");
solanchoi++; } while (sodoan1 != sobimat);
break; }
break;
case 2:
printf("Ban da chon che do 2 nguoi.\n***Chon do kho cho tro choi***\n1.De(1->100)\n2.Binh thuong(1->1000)\n3.Kho(1->10000)\n");
scanf("%d", &dokho);
switch(dokho) {
case 1:
printf("Ban da chon che do de.\n");
const int quanto= 100, quanbe=1;
srand(time(NULL));
sobimat = (rand() % (quanto - quanbe + 1) + quanbe);
do{
printf("Nhap so cua nguoi choi 1 vao day:\n");
scanf("%d", &sodoan1);
if ( sodoan1 == sobimat) printf("Xin chuc mung!!! Nguoi choi 1 da chien thang sau %d lan choi\n", solanchoi);
else if (sodoan1 > sobimat) printf("Nho hon mot chut.\n");
else printf("Lon hon mot chut.\n");
printf("Nhap so cua nguoi choi 2 vao day:\n");
scanf("%d", &sodoan2);
if ( sodoan2 == sobimat) printf("Xin chuc mung!!! Nguoi choi 2 da chien thang sau %d lan choi.\n", solanchoi);
else if (sodoan1 > sobimat) printf("Nho hon mot chut.\n");
else printf("Lon hon mot chut.\n");
solanchoi++; } while (sodoan1 != sobimat || sodoan2 != sobimat);
break;
case 2:
printf("Ban da chon che do binh thuong.\n");
const int quanbig= 1000, quansmall=1;
srand(time(NULL));
sobimat = (rand() % (quanbig - quansmall + 1) + quansmall);
do{
printf("Nhap so cua nguoi choi 1 vao day:\n");
scanf("%d", &sodoan1);
if ( sodoan1 == sobimat) printf("Xin chuc mung!!! Nguoi choi 1 da chien thang sau %d lan choi\n", solanchoi);
else if (sodoan1 > sobimat) printf("Nho hon mot chut.\n");
else printf("Lon hon mot chut.\n");
printf("Nhap so cua nguoi choi 2 vao day:\n");
scanf("%d", &sodoan2);
if ( sodoan2 == sobimat) printf("Xin chuc mung!!! Nguoi choi 2 da chien thang sau %d lan choi.\n", solanchoi);
else if (sodoan1 > sobimat) printf("Nho hon mot chut.\n");
else printf("Lon hon mot chut.\n");
solanchoi++; } while (sodoan1 != sobimat || sodoan2 != sobimat);
break;
case 3:
printf("Ban da chon che do kho.\n");
const int quanbeo= 10000, quangay=1;
srand(time(NULL));
sobimat = (rand() % (quanbeo - quangay + 1) + quangay);
do{
printf("Nhap so cua nguoi choi 1 vao day:\n");
scanf("%d", &sodoan1);
if ( sodoan1 == sobimat) printf("Xin chuc mung!!! Nguoi choi 1 da chien thang sau %d lan choi\n", solanchoi);
else if (sodoan1 > sobimat) printf("Nho hon mot chut.\n");
else printf("Lon hon mot chut.\n");
printf("Nhap so cua nguoi choi 2 vao day:\n");
scanf("%d", &sodoan2);
if ( sodoan2 == sobimat) printf("Xin chuc mung!!! Nguoi choi 2 da chien thang sau %d lan choi.\n", solanchoi);
else if (sodoan1 > sobimat) printf("Nho hon mot chut.\n");
else printf("Lon hon mot chut.\n");
solanchoi++; } while (sodoan1 != sobimat || sodoan2 != sobimat);
break; }
printf("Ban co muon choi lai?\n1.Co\n2.Khong");
scanf("%d", luachon);
return 0;
} }while (luachon == 2); }
Đề bài như này, em đang bị vướng nốt cái phần hỏi người chơi có muốn chơi tiếp không ạ. Em cảm ơn mọi người

83% thành viên diễn đàn không hỏi bài tập, còn bạn thì sao?