Submission #45534

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
45534	2018-04-15 05:14:04	gnoor	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	859 ms	5816 KiB

skyscraper

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#include <cstdio>
#include <vector>
#include <algorithm>
#include <queue>
#include <cstring>
using namespace std;
vector<int> pth[30100];
int dis[30100];
struct ei {
  int x,dis;
};
bool operator< (const ei &a, const ei &b) {
  return a.dis>b.dis;
}
int main () {
  int n,m;
  scanf("%d%d",&n,&m);
  int a,b;
  int s,t;
  for (int i=0;i<m;i++) {
    scanf("%d%d",&a,&b);
    pth[a].push_back(b);
    if (i==0) s=a;
    if (i==1) t=a;
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:26:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&a,&b);
   ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:45:3: warning: 't' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (now==t) {
   ^~
skyscraper.cpp:38:9: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized]
  q.push(ei{s,0});
         ^~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 12 / 12
• Subtask 3: 14 / 14
• Subtask 4: 21 / 21
• Subtask 5: 43 / 43