Submission #309532

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
309532	2020-10-03 18:09:28	bigg	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	315 ms	36468 KiB

oneway

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#include<bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 10;
const int MAXK = 23;
int marc[MAXN], tin[MAXN], low[MAXN], comp[MAXN], T;
struct edge{
  int tipo;
  int u, v;
  void maketype(int mu, int mv, bool isont){
  //  printf("%d %d %d %d %d\n", mu, mv, isont,u, v );
    if(mu == 0){
      tipo = 3;
      return;
    }
    if(!isont){
      if(mu == u ) tipo = 1;
      else tipo = 2;
    }else{
      if(mu == comp[u]) tipo = 1;
      else tipo = 2;
    }
  }
}edges[MAXN];
vector<pair<int, int> > grafo[MAXN], grafosemponte[MAXN];
vector<int> bridge;
void makebridge( int id, int isbridge){
  if(!isbridge) edges[id].maketype(0,0,0);
 
 
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Compilation message (stderr)

oneway.cpp: In function 'void dfsini(int, int)':
oneway.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |  for(int i = 0; i < grafo[x].size(); i++){
      |                 ~~^~~~~~~~~~~~~~~~~
oneway.cpp: In function 'void dfssec(int)':
oneway.cpp:54:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |  for(int i = 0; i < grafosemponte[x].size(); i++){
      |                 ~~^~~~~~~~~~~~~~~~~~~~~~~~~
oneway.cpp: In function 'void dfstree(int, int)':
oneway.cpp:73:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |  for(int i = 0; i < tree[x].size(); i++){
      |                 ~~^~~~~~~~~~~~~~~~
oneway.cpp: In function 'void dfsprecalc(int, int)':
oneway.cpp:84:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |  for(int i = 0; i < tree[x].size(); i++){
      |                 ~~^~~~~~~~~~~~~~~~
oneway.cpp: In function 'void dfscalc(int, int)':
oneway.cpp:97:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |  for(int i = 0; i < tree[x].size(); i++){
      |                 ~~^~~~~~~~~~~~~~~~
oneway.cpp: In function 'int main()':
oneway.cpp:149:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  149 |  for(int i = 0; i < bridge.size(); i++){
      |                 ~~^~~~~~~~~~~~~~~
oneway.cpp:128:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  128 |  scanf("%d %d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~
oneway.cpp:131:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  131 |   scanf("%d %d", &u, &v);
      |   ~~~~~^~~~~~~~~~~~~~~~~
oneway.cpp:158:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  158 |  scanf("%d", &p);
      |  ~~~~~^~~~~~~~~~
oneway.cpp:162:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  162 |   scanf("%d %d", &u, &v);
      |   ~~~~~^~~~~~~~~~~~~~~~~

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