Submission #423551

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
423551	2021-06-11 09:21:25	Amylopectin	Hotspot (NOI17_hotspot)	C++14	100 / 100	313 ms	1320 KiB

hotspot

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#include <iostream>
#include <stdio.h>
#include <vector>
#include <queue>
using namespace std;
const int mxn = 10010,mxi = 1e9 + 10;
queue <int> qu;
vector <int> pa[mxn] = {};
int di[mxn] = {},u[mxn] = {};
double psu[mxn] = {},npa[mxn] = {},rdi[mxn] = {};
int main()
{
    int i,j,n,m,f,t,cdi,fdi,fn,cn,q,k,stn,enn,su,cou;
    double cma,df,dt;
    scanf("%d %d",&n,&m);
    for(i=0; i<m; i++)
    {
        scanf("%d %d",&f,&t);
        pa[f].push_back(t);
        pa[t].push_back(f);
    }
    scanf("%d",&q);
    for(i=0; i<q; i++)
    {
        scanf("%d %d",&stn,&enn);
        qu.push(stn);
        for(j=0; j<n; j++)
        {
            di[j] = mxi;
            npa[j] = 0;
 
 
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Compilation message (stderr)

hotspot.cpp: In function 'int main()':
hotspot.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |             for(j=0; j<pa[cn].size(); j++)
      |                      ~^~~~~~~~~~~~~~
hotspot.cpp:80:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |             for(j=0; j<pa[cn].size(); j++)
      |                      ~^~~~~~~~~~~~~~
hotspot.cpp:13:21: warning: unused variable 'cdi' [-Wunused-variable]
   13 |     int i,j,n,m,f,t,cdi,fdi,fn,cn,q,k,stn,enn,su,cou;
      |                     ^~~
hotspot.cpp:13:25: warning: unused variable 'fdi' [-Wunused-variable]
   13 |     int i,j,n,m,f,t,cdi,fdi,fn,cn,q,k,stn,enn,su,cou;
      |                         ^~~
hotspot.cpp:13:37: warning: unused variable 'k' [-Wunused-variable]
   13 |     int i,j,n,m,f,t,cdi,fdi,fn,cn,q,k,stn,enn,su,cou;
      |                                     ^
hotspot.cpp:13:47: warning: unused variable 'su' [-Wunused-variable]
   13 |     int i,j,n,m,f,t,cdi,fdi,fn,cn,q,k,stn,enn,su,cou;
      |                                               ^~
hotspot.cpp:13:50: warning: unused variable 'cou' [-Wunused-variable]
   13 |     int i,j,n,m,f,t,cdi,fdi,fn,cn,q,k,stn,enn,su,cou;
      |                                                  ^~~
hotspot.cpp:15:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     scanf("%d %d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~~
hotspot.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         scanf("%d %d",&f,&t);
      |         ~~~~~^~~~~~~~~~~~~~~
hotspot.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     scanf("%d",&q);
      |     ~~~~~^~~~~~~~~
hotspot.cpp:25:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |         scanf("%d %d",&stn,&enn);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 5 / 5
• Subtask 3: 11 / 11
• Subtask 4: 18 / 18
• Subtask 5: 26 / 26
• Subtask 6: 36 / 36