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bai5.cpp
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bai5.cpp
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#include <iostream>
using namespace std;
bool tang(int a[],int n){
for (int i=0;i<=n-2;i++){
if (a[i]>a[i+1]){
return false;
}
}
return true;
}
bool giam(int a[],int n){
for (int i=0;i<=n-2;i++){
if (a[i]<a[i+1]){
return false;
}
}
return true;
}
bool tangngat(int a[],int n){
for (int i=0;i<=n-2;i++){
if (a[i]>=a[i+1]){
return false;
}
}
return true;
}
bool giamngat(int a[],int n){
for (int i=0;i<=n-2;i++){
if (a[i]<=a[i+1]){
return false;
}
}
return true;
}
int main(){
int n;
cout << "Nhap vao so phan tu cua mang: ";
cin >> n;
int a[n];
for (int i=0;i<n;i++){
cout << "Nhap phan thu thu " << i+1 << ": ";
cin >> a[i];
}
if (tangngat(a,n)==true){
cout << "Day so tren tang ngat.\n";
return 0;
}
else if (tang(a,n)==true){
cout << "Day so tren tang.\n";
return 0;
}
if (giamngat(a,n)==true){
cout << "Day so tren giam ngat.\n";
return 0;
}
else if (giam(a,n)==true){
cout << "Day so tren giam.\n";
return 0;
}
else{
cout << "Day so tren chua duoc sap.\n";
return 0;
}
}