Submission #123099

# Submission time Handle Problem Language Result Execution time Memory
123099 2019-06-30T08:38:21 Z mechfrog88 Lightning Rod (NOI18_lightningrod) C++14
Compilation error
0 ms 0 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#pragma GCC optimize("unroll-loops,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
 
using namespace __gnu_pbds;
using namespace std;
 
template <typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
 
typedef long long int;
typedef long double ld;	

inline int readInt() {
    int x = 0;
    char ch = getchar();
    while (ch < '0' || ch > '9') ch = getchar();
    while (ch >= '0' && ch <= '9'){
		x = (x << 3) + (x << 1) + ch - '0';
		ch = getchar();
	}
    return x;
}

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n;
	n = readInt();
	vector <pair<int,int>> arr(n);
	for (int z=0;z<n;z++){
		arr[z].first = readInt();
		arr[z].second = readInt();
		int t = arr[z].first;
		arr[z].first -= arr[z].second;
		arr[z].second += t;
	}
	stack <pair<int,int>> s;
	for (int z=0;z<n;z++){
		if (s.empty()){
			s.push(arr[z]);
		}
		if (s.top().first <= arr[z].first && arr[z].second <= s.top().second) continue;
		else{
			while (arr[z].first <= s.top().first && s.top().second <= arr[z].second){
				s.pop();
				if (s.size() == 0) break;
			}
			s.push(arr[z]);
		}
	}
	printf("%lld",int(s.size()));
}

Compilation message

lightningrod.cpp:13:19: error: declaration does not declare anything [-fpermissive]
 typedef long long int;
                   ^~~
lightningrod.cpp: In function 'int main()':
lightningrod.cpp:54:29: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=]
  printf("%lld",int(s.size()));
                ~~~~~~~~~~~~~^