Submission #99608

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
99608	2019-03-05 15:33:28	ae04071	Palembang Bridges (APIO15_bridge)	C++11	100 / 100	311 ms	11580 KiB

bridge

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#include <bits/stdc++.h>
#define fi first
#define se second
#define sz(x) ((int)(x).size())
using namespace std;
using lli = long long;
using pii = pair<int,int>;
int k,n;
vector<pii> arr;
lli ta[100001];
const int MAX=1<<18;
struct seg_tr{
    int cnt[MAX<<1];
    lli val[MAX<<1];
    
    void init() {for(int i=0;i<MAX+MAX;i++) val[i]=cnt[i]=0;}
    void upd(int cur,int s,int f,int idx,int v) {
        if(f<idx || s>idx) return;
        else if(s==f) {
            cnt[cur]++; val[cur]+=v;
        }
        else {
            int nx=cur<<1,md=(s+f)>>1;
            upd(nx,s,md,idx,v); upd(nx+1,md+1,f,idx,v);
            cnt[cur] = cnt[nx] + cnt[nx+1];
            val[cur] = val[nx] + val[nx+1];
        }
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:89:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&k,&n);
     ~~~~~^~~~~~~~~~~~~~
bridge.cpp:93:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c %d %c %d",&ca,&a,&cb,&b);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 9 / 9
• Subtask 4: 32 / 32
• Subtask 5: 37 / 37