Submission #996025

#	Time	Username	Problem	Language	Result	Execution time	Memory
996025		anHiep	Xylophone (JOI18_xylophone)	C++17	Compilation error	0 ms	0 KiB

xylophone

#include <bits/stdc++.h>
#include "xylophone.h"


// static int a[5000];

int ans[5004];

void solve(int n) {

	// int value = query(1, N);

	// for(int i = 1; i <= N; i++) {
	// 	answer(i, i);
	// }

	int dis = query(1,2);
	map<pair<int,int>,int> mp;
	for(int i = 3; i <= n; i++){
		mp[{i-1, i}] = query(i-1, i);
		mp[{i-2, i}] = query(i-2, i);
	}
	for(int i = 1; i <= n; i++){
		a[1] = i;
		bool c = 1;
		if(i + dis <= n){
			c = 1;
			a[2] = i + dis;
			map<int,int> used;
			used[a[1]] = 1;
			used[a[2]] = 1;

			for(int j = 3; j <= n; j++){
				int x = c - mp[{j-1,j}];
				if(x >= 1 && used[x] == 0){
					if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
						a[j] = x;
						used[x] = 1;
						continue;
					}
				}
				x = c + mp[{j-1,j}];
				if(x <= n && used[x] == 0){
					if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
						a[j] = x;
						used[x] = 1;
						continue;
					}
				}
				c = 0;
			}
			if(c){
				for(int j = 1;j<=n;j++){
					answer(j,ans[j]);
				}
				return;
			}
		}
		if(i - dis >= 1){
			c = 1;
			a[2] = i - dis;
			map<int,int> used;
			used[a[1]] = 1;
			used[a[2]] = 1;
			for(int j = 3;j<=n;j++){
				int x = c - mp[{j-1, j}];
				if(x >= 1 && used[x] == 0){
					if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
						a[j] = x;
						used[x] = 1;
						continue;
					}
				}
				x = c + mp[{j-1,j}];
				if(x <= n && used[x] == 0){
					if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
						a[j] = x;
						used[x] = 1;
						continue;
					}
				}
				c = 0;
			}
			if(c){
				for(int j = 1;j<=n;j++){
					answer(j,ans[j]);
				}
				return;
			}
		}
	}

}

Compilation message (stderr)

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:18:2: error: 'map' was not declared in this scope
   18 |  map<pair<int,int>,int> mp;
      |  ^~~
xylophone.cpp:18:2: note: suggested alternatives:
In file included from /usr/include/c++/10/map:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:81,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_map.h:100:11: note:   'std::map'
  100 |     class map
      |           ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:81,
                 from xylophone.cpp:1:
/usr/include/c++/10/map:78:13: note:   'std::pmr::map'
   78 |       using map
      |             ^~~
xylophone.cpp:18:6: error: 'pair' was not declared in this scope; did you mean 'std::pair'?
   18 |  map<pair<int,int>,int> mp;
      |      ^~~~
      |      std::pair
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:211:12: note: 'std::pair' declared here
  211 |     struct pair
      |            ^~~~
xylophone.cpp:18:11: error: expected primary-expression before 'int'
   18 |  map<pair<int,int>,int> mp;
      |           ^~~
xylophone.cpp:20:3: error: 'mp' was not declared in this scope
   20 |   mp[{i-1, i}] = query(i-1, i);
      |   ^~
xylophone.cpp:24:3: error: 'a' was not declared in this scope
   24 |   a[1] = i;
      |   ^
xylophone.cpp:29:8: error: expected primary-expression before 'int'
   29 |    map<int,int> used;
      |        ^~~
xylophone.cpp:30:4: error: 'used' was not declared in this scope
   30 |    used[a[1]] = 1;
      |    ^~~~
xylophone.cpp:34:17: error: 'mp' was not declared in this scope
   34 |     int x = c - mp[{j-1,j}];
      |                 ^~
xylophone.cpp:36:10: error: 'max' was not declared in this scope; did you mean 'std::max'?
   36 |      if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
      |          ^~~
      |          std::max
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: 'std::max' declared here
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
xylophone.cpp:36:33: error: 'min' was not declared in this scope; did you mean 'std::min'?
   36 |      if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
      |                                 ^~~
      |                                 std::min
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: 'std::min' declared here
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
xylophone.cpp:44:10: error: 'max' was not declared in this scope; did you mean 'std::max'?
   44 |      if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
      |          ^~~
      |          std::max
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: 'std::max' declared here
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
xylophone.cpp:44:33: error: 'min' was not declared in this scope; did you mean 'std::min'?
   44 |      if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
      |                                 ^~~
      |                                 std::min
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: 'std::min' declared here
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
xylophone.cpp:62:8: error: expected primary-expression before 'int'
   62 |    map<int,int> used;
      |        ^~~
xylophone.cpp:63:4: error: 'used' was not declared in this scope
   63 |    used[a[1]] = 1;
      |    ^~~~
xylophone.cpp:66:17: error: 'mp' was not declared in this scope
   66 |     int x = c - mp[{j-1, j}];
      |                 ^~
xylophone.cpp:68:10: error: 'max' was not declared in this scope; did you mean 'std::max'?
   68 |      if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
      |          ^~~
      |          std::max
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: 'std::max' declared here
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
xylophone.cpp:68:33: error: 'min' was not declared in this scope; did you mean 'std::min'?
   68 |      if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
      |                                 ^~~
      |                                 std::min
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: 'std::min' declared here
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
xylophone.cpp:76:10: error: 'max' was not declared in this scope; did you mean 'std::max'?
   76 |      if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
      |          ^~~
      |          std::max
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: 'std::max' declared here
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
xylophone.cpp:76:33: error: 'min' was not declared in this scope; did you mean 'std::min'?
   76 |      if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[{j-2, j}]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[{j-1,j}])){
      |                                 ^~~
      |                                 std::min
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from xylophone.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: 'std::min' declared here
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~