Submission #30826

#	Time	Username	Problem	Language	Result	Execution time	Memory
30826		Kerim	Trading (IZhO13_trading)	C++14	100 / 100	586 ms	31292 KiB

trading

#include "bits/stdc++.h"
#define MAXN 300009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
multiset<int>s;
int ans[MAXN];
vector<int>add[MAXN],rem[MAXN];
int main(){
	//~ #ifndef ONLINE_JUDGE
    //~ freopen("file.in", "r", stdin);
	//~ #endif	
	int n,q;
	scanf("%d%d",&n,&q);
	while(q--){
		int l,r,k;
		scanf("%d%d%d",&l,&r,&k);
		add[l].pb(k-l);
		rem[r].pb(k-l);
	}
	for(int i=1;i<=n;i++){
		tr(it,add[i])
			s.insert(*it);
		if(s.empty())
			printf("0 ");
		else	
			printf("%d ",i+*s.rbegin());
		tr(it,rem[i])
			s.erase(s.find(*it));
	}puts("");
	return 0;
}

Compilation message (stderr)

trading.cpp: In function 'int main()':
trading.cpp:28:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&q);
                     ^
trading.cpp:31:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&l,&r,&k);
                           ^

• Subtask 1: 100 / 100