Submission #44655

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
44655	2018-04-04 12:12:05	bogdan10bos	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	251 ms	57428 KiB

oneway

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#include <bits/stdc++.h>
using namespace std;
//#define FILE_IO
typedef pair<int, int> pii;
pii edge[100005];
int N, M, K;
int node[100005];
char r[100005];
namespace BiconnexGraph
{
    int h[100005], low[100005], f[100005];
    bool vis[100005], crit[100005];
    vector<int> edg[100005];
    void addEdge(int id)
    {
        int x = edge[id].first, y = edge[id].second;
        edg[x].push_back(id);
        edg[y].push_back(id);
    }
    int F(int x)
    {
        if(f[x] == x)   return x;
        return f[x] = F(f[x]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

oneway.cpp: In function 'int main()':
oneway.cpp:203:17: warning: unused variable 'x' [-Wunused-variable]
             int x = node[ edge[i].first ];
                 ^
oneway.cpp:204:17: warning: unused variable 'y' [-Wunused-variable]
             int y = node[ edge[i].second ];
                 ^
oneway.cpp:189:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &M);
     ~~~~~^~~~~~~~~~~~~~~~
oneway.cpp:193:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &x, &y);
         ~~~~~^~~~~~~~~~~~~~~~
oneway.cpp:209:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &K);
     ~~~~~^~~~~~~~~~
oneway.cpp:213:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &x, &y);
         ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40