Submission #228880

#TimeUsernameProblemLanguageResultExecution timeMemory
228880blacktulipSubway (info1cup19_subway)C++17
0 / 100
4 ms256 KiB
#include <bits/stdc++.h> using namespace std; typedef long long lo; typedef pair< lo,lo > PII; #define fi first #define se second #define mp make_pair #define pb push_back #define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) #define FOR for(int i=1;i<=n;i++) #define mid ((start+end)/2) #define ort ((bas+son)/2) const lo MAX = -1000000000000000000; const lo MIN = 1000000000000000000; const lo inf = 1000000000; const lo KOK = 100000; const lo LOG = 30; const lo li = 500005; const lo mod = 1000000007; int n,m,b[li],a[li],k,flag,t,sira; int cev; string s; vector<PII> v; int main(void){ scanf("%d",&n); v.pb(mp(0,-1)); while(n>0){ if(sira+1<=n){sira++;v.pb(mp(sira,sira-1));n-=sira;} else{sira++;v.pb(mp(sira,n));n=0;} } printf("%d\n",(int)v.size()); for(int i=0;i<(int)v.size();i++){ printf("%llxd %lld\n",v[i].fi,v[i].se); } return 0; }

Compilation message (stderr)

subway.cpp: In function 'int main()':
subway.cpp:31:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...