xiaoranchenwai / test Goto Github PK

CustomStack(int maxSize) {
    stack.resize(maxSize);
    top=-1;
}

void push(int x) {
    if(top!=stack.size()-1){
        top++;
        stack[top]=x;
    }
}

int pop() {
    if(top==-1){
        return -1;
    }
    else{
        top--;
        return stack[top+1];
    }
}

void increment(int k, int val) {
    int minnum=min(k,(top+1));
    for(int i=0;i<minnum;i++){
        stack[i]+=val;
    }
}