Submission #313991

# Submission time Handle Problem Language Result Execution time Memory
313991 2020-10-17T17:40:15 Z dlwocks31 Stations (IOI20_stations) C++17
0 / 100
3000 ms 2097156 KB
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
template<typename T> int SIZE(T (&t)){ return t.size(); } template<typename T, size_t N> int SIZE(T (&t)[N]){ return N; } string to_string(char t){ return "'" + string({t}) + "'"; } string to_string(bool t){ return t ? "true" : "false"; } string to_string(const string &t, int x1=0, int x2=1e9){ string ret = ""; for(int i = min(x1,SIZE(t)), _i = min(x2,SIZE(t)-1); i <= _i; ++i){ ret += t[i]; } return '"' + ret + '"'; } string to_string(const char* t){ string ret(t); return to_string(ret); } template<size_t N> string to_string(const bitset<N> &t, int x1=0, int x2=1e9){ string ret = ""; for(int i = min(x1,SIZE(t)); i <= min(x2,SIZE(t)-1); ++i){ ret += t[i] + '0'; } return to_string(ret); } template<typename T, typename... Coords> string to_string(const T (&t), int x1=0, int x2=1e9, Coords... C); template<typename T, typename S> string to_string(const pair<T, S> &t){ return "(" + to_string(t.first) + ", " + to_string(t.second) + ")"; } template<typename T, typename... Coords> string to_string(const T (&t), int x1, int x2, Coords... C){ string ret = "["; x1 = min(x1, SIZE(t)); auto e = begin(t); advance(e,x1); for(int i = x1, _i = min(x2,SIZE(t)-1); i <= _i; ++i){ ret += to_string(*e, C...) + (i != _i ? ", " : ""); e = next(e); } return ret + "]"; } template<int Index, typename... Ts> struct print_tuple{ string operator() (const tuple<Ts...>& t) { string ret = print_tuple<Index - 1, Ts...>{}(t); ret += (Index ? ", " : ""); return ret + to_string(get<Index>(t)); } }; template<typename... Ts> struct print_tuple<0, Ts...> { string operator() (const tuple<Ts...>& t) { return to_string(get<0>(t)); } }; template<typename... Ts> string to_string(const tuple<Ts...>& t) { const auto Size = tuple_size<tuple<Ts...>>::value; return print_tuple<Size - 1, Ts...>{}(t); } void dbgr(){;} template<typename Heads, typename... Tails> void dbgr(Heads H, Tails... T){ cout << to_string(H) << " | "; dbgr(T...); } void dbgs(){;} template<typename Heads, typename... Tails> void dbgs(Heads H, Tails... T){ cout << H << " "; dbgs(T...); } 
#define dbgv(...) cout << to_string(__VA_ARGS__) << endl;
#define dbg(...) cout << "[" << #__VA_ARGS__ << "]: "; dbgv(__VA_ARGS__);
vector<int> adj[1000];
int lbl[1000], cnt;
void dfs(int i, int p, int d) {
	if(d % 2 == 0)
		lbl[i] = cnt++;
	for(int a: adj[i]) {
		if(a == p) continue;
		dfs(a, i, d+1);
	}
	if(d % 2 == 1)
		lbl[i] = cnt++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	vector<int> labels(n);
	for(int i=0; i<u.size(); i++) {
		//printf("edge = %d, %d\n", u[i], v[i]);
		adj[u[i]].push_back(v[i]);
		adj[v[i]].push_back(u[i]);
	}
	dfs(0, -1, 0);
	for(int i=0; i<n; i++) {
		//printf("label %d = %d\n", i, lbl[i]);
		labels[i] = lbl[i];
	}
	return labels;
}

int find_next_station(int s, int t, vector<int> c) {
	dbg(c);
	if(c[0] < s) { // s is out
		reverse(c.begin(), c.end());
	}
	c.insert(c.begin(), s);
	//dbg(c);
	for(int i=1; i<c.size(); i++) {
		//printf("compare between %d, %d\n", c[i-1], c[i]);
		if((c[i-1] <= t && t <= c[i]) || (c[i] <= t && t <= c[i-1])) {
			return c[i];
		}
	}
	return c.back();
}

// int main() {
// 	int s, t, w;
// 	cin >> s >> t >> w;
// 	vector<int> c(w);
// 	for(int i=0; i<w; i++) {
// 		cin >> c[i];
// 	}
// 	cout << find_next_station(s, t, c);
// }

Compilation message

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:21:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for(int i=0; i<u.size(); i++) {
      |               ~^~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:41:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for(int i=1; i<c.size(); i++) {
      |               ~^~~~~~~~~
# Verdict Execution time Memory Grader output
1 Runtime error 1401 ms 2097156 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 3042 ms 504 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1492 ms 2097156 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 1000 KB Expected integer, but "[c]:" found
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2423 ms 2097152 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -