Submission #41318

#	Time	Username	Problem	Language	Result	Execution time	Memory
41318		IvanC	Trading (IZhO13_trading)	C++14	100 / 100	239 ms	65536 KiB

trading

#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> ii;
typedef tuple<int,int,int> trinca;
priority_queue<ii> pq;
vector<trinca> sweep; 
int N,M,ptr;
int main(){
	scanf("%d %d",&N,&M);
	for(int i = 1;i<=M;i++){
		int l,r,x;
		scanf("%d %d %d",&l,&r,&x);
		sweep.push_back(make_tuple(l,x - l,r));
	}
	sort(sweep.begin(),sweep.end());
	for(int i = 1;i<=N;i++){
		while(ptr < M && get<0>(sweep[ptr]) <= i ){
			ii novo = ii(get<1>(sweep[ptr]),get<2>(sweep[ptr]));
			pq.push(novo);
			ptr++;
		}
		while(!pq.empty() && pq.top().second < i ){
			pq.pop();
		}
		if(!pq.empty()){
			printf("%d ",pq.top().first + i);
		}
		else{
			printf("0 ");
		}
	}
	printf("\n");
	return 0;
}

Compilation message (stderr)

trading.cpp: In function 'int main()':
trading.cpp:9:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&N,&M);
                      ^
trading.cpp:12:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&l,&r,&x);
                             ^

• Subtask 1: 100 / 100