Submission #339818

#	Time	Username	Problem	Language	Result	Execution time	Memory
339818		beksultan04	Trading (IZhO13_trading)	C++14	100 / 100	223 ms	18016 KiB

trading

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
const int N = 1e5+12,INF=1e9+7;

main(){
    int n,m,i;
    scan2(n,m)
    deque <pair<pii,int> > v;
    while (m--){
        int l,r,x;
        scan3(l,r,x)
        v.pb({{l,r},x-l});
    }
    sort(all(v));
    priority_queue <pair<int,pii> > q;
    int h=0;
    for (i=1;i<=n;++i){
        while (!v.empty() && v[0].fr.fr <= i){
            q.push({v[0].sc,{-v[0].fr.fr,v[0].fr.sc}});
            v.pop_front();
        }

        pair <int,pii> p ;
        if (q.empty())
            p = {0,{-i,0}};
        else
            p = q.top();

        while (!q.empty() && p.sc.sc < i){
            q.pop();
            if (q.empty())
                p = {0,{-i,0}};
            else
                p = q.top();
        }
        if (p.fr == 0)p.fr = -i;
        cout <<p.fr+i<<" ";
    }
}

Compilation message (stderr)

trading.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | main(){
      |      ^
trading.cpp: In function 'int main()':
trading.cpp:32:9: warning: unused variable 'h' [-Wunused-variable]
   32 |     int h=0;
      |         ^
trading.cpp:12:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 | #define scan2(a,b) scanf("%lld %lld",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~~~~~
trading.cpp:23:5: note: in expansion of macro 'scan2'
   23 |     scan2(n,m)
      |     ^~~~~
trading.cpp:13:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 | #define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
trading.cpp:27:9: note: in expansion of macro 'scan3'
   27 |         scan3(l,r,x)
      |         ^~~~~

• Subtask 1: 100 / 100