Submission #205470

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
205470	2020-02-29 01:24:46	anonymous	Palembang Bridges (APIO15_bridge)	C++14	100 / 100	1115 ms	204152 KiB

bridge

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#include<iostream>
#include<utility>
#include<algorithm>
#define MAXN 100005
#define MAXD ((int) 1e9+5)
#define LL long long
#define fi first
#define se second
using namespace std;
int N, K, P, xi, yi;
LL ans, best=1LL<<60;
char s1, s2;
pair <LL, LL> Pt[MAXN];
class LazyCreate {
    LL Sum[MAXN * 140];
    int ST[MAXN*140][3], P=2; //sum, num, l, r
public:
    void upd(int ind, int val, bool b, int l, int r, int cur) {
         if (l > ind || ind > r) {return;}
         if (l == r) {
            if (b) { //true means add
                Sum[cur]+=val;
                ST[cur][0]++;
            } else {
                Sum[cur]-=val;
                ST[cur][0]--;
            }
         } else {
            int mid=(l+r)>>1;
            if (!ST[cur][1]) {
 
 
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Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:71:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&K,&N);
     ~~~~~^~~~~~~~~~~~~~~
bridge.cpp:73:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("\n%c %d %c %d", &s1, &xi, &s2, &yi);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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