Submission #856535

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <climits>
#include <cstring>
#include <string>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <vector>
#include <list>
#define rep(i,m,n) for(i=m;i<=n;i++)
#define rsp(it,s) for(set<int>::iterator it=s.begin();it!=s.end();it++)
#define mod 1000000000
#define inf 0x3f3f3f3f
#define vi vector<int>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define ll long long
#define pi acos(-1.0)
#define pii pair<int,int>
#define Lson L, mid, rt<<1
#define Rson mid+1, R, rt<<1|1
const int maxn=1e5+10;
using namespace std;
ll gcd(ll p,ll q){return q==0?p:gcd(q,p%q);}
ll qpow(ll p,ll q){ll f=1;while(q){if(q&1)f=f*p;p=p*p;q>>=1;}return f;}
int n,m,k,t,l[maxn],r[maxn],ans[maxn];
ll a[maxn],p;
vi go[maxn],to[maxn],all;
void init()
{
    for(int i=0;i<=n-1;i++)
    {
        r[i]=lower_bound(a,a+n,a[i]+p)-a;
        if(r[i]==n||a[r[i]]>a[i]+p)r[i]--;
        l[i]=lower_bound(a,a+n,a[i]-p)-a;
    }
}
int main()
{
    int i,j;
    scanf("%d",&n);
    rep(i,0,n-1)scanf("%lld",&a[i]);
    scanf("%lld",&p);
    init();
    int q;
    scanf("%d",&q);
    rep(i,0,q-1)
    {
        int c,d;
        scanf("%d%d",&c,&d);
        c--,d--;
        all.pb(d);
        if(c<d)go[c].pb(i);
        if(c>d)to[c].pb(i);
    }
    rep(i,0,n-1)
    {
        for(int x:go[i])
        {
            ans[x]++;
            if(r[i]<all[x])go[r[i]].pb(x);
        }
        go[i].clear();
    }
    for(i=n-1;i>=0;i--)
    {
        for(int x:to[i])
        {
            ans[x]++;
            if(l[i]>all[x])to[l[i]].pb(x);
        }
        to[i].clear();
    }
    rep(i,0,q-1)printf("%d\n",ans[i]);
    //system("Pause");
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:48:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
./Main.cpp:49:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     rep(i,0,n-1)scanf("%lld",&a[i]);
                                    ^
./Main.cpp:50:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld",&p);
                     ^
./Main.cpp:53:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&q);
                   ^
./Main.cpp:57:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&c,&d);
                         ...

Judge Result