Submission #223199

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
223199	2020-04-15 05:00:45	dantoh000	Putovanje (COCI20_putovanje)	C++14	110 / 110	167 ms	16120 KiB

putovanje

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///Heavy Light Decomposition
///Problem: cowland (USACO)
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 200005;
int n,q;
int p[N], d[N], sz[N], h[N], pos[N], e[N];
int fw[N];
int A[N], B[N], C1[N], C2[N];
int v1[N], v2[N];
int ct = 1;
vector<int> adjlist[N];
void up(int x, int v){
    while (x < N){
        fw[x] += v;
        x += x&(-x);
    }
}
int query(int x){
    int res = 0;
    while (x){
        res += fw[x];
        x -= x&(-x);
    }
    return res;
}
void rangeadd(int s, int e){
    up(s,1);
    up(e+1,-1);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

putovanje.cpp: In function 'void add(int, int)':
putovanje.cpp:63:9: warning: unused variable 'ans' [-Wunused-variable]
     int ans = 0;
         ^~~
putovanje.cpp: In function 'int main()':
putovanje.cpp:90:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
putovanje.cpp:92:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d",&A[i],&B[i],&C1[i],&C2[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 65 / 65