Submission #130167

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
130167	2019-07-14 06:14:12	ae04071	Bridges (APIO19_bridges)	C++11	100 / 100	2937 ms	11676 KiB

bridges

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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>;
struct edge{
    int u,v,w,i,c;
    int l,r;
    bool operator<(const edge &rhs)const {
        return w<rhs.w;
    }
}arr[200000];
struct qd{
    int t,a,b;
    bool operator<(const qd &rhs)const {
        return b<rhs.b;
    }
}qa[100000];
int n,m,q;
struct dsu{
    int pa[50001],sz[50001],tp[50001],ts[50001],tf[50001];
    int ti;
    void init() {
        for(int i=1;i<=n;i++) pa[i]=i, sz[i]=1, tf[i]=-1;
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

bridges.cpp: In function 'int main()':
bridges.cpp:61:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
bridges.cpp:63:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d",&arr[i].u,&arr[i].v,&arr[i].w);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bridges.cpp:68:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&q);
     ~~~~~^~~~~~~~~
bridges.cpp:71:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d",&qa[i].t,&qa[i].a,&qa[i].b);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 16 / 16
• Subtask 3: 17 / 17
• Subtask 4: 14 / 14
• Subtask 5: 13 / 13
• Subtask 6: 27 / 27