Submission #125227

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
125227	2019-07-04T21:23:18 Z	khulegub	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define xx first
#define yy second
using namespace std;
typedef long long i64;
typedef pair<int, int> pii;
const i64 MOD = 1e9 + 7;


i64 pow(i64 x, i64 zereg){
	if(zereg == 1) return x;
	i64 tmp = pow(x, zereg >> 1);
	if(zereg & 1) return (zereg * ((tmp * tmp) % mod) ) % mod;
	return ((tmp * tmp) % mod);
}


int newSeq[100005];
int countReplacement(int n, int inputSeq[]){
    
}
int valid(int n, int arr[]){
	vector<pii> rep;
	vector<pii> v;
	for (int i = 0; i < n; i++){
		arr[i]--;
		// cout << arr[i] << ' ';
		if (arr[i] >= n){
			rep.pb(mp(arr[i] - n, i) );
		}
		else v.pb(mp(i, arr[i]) );
	}
	if(v.size() > 0){
		int diff = v[0].yy - v[0].xx;
		int end = (n - 1) - diff;
		int diff2 = diff - n;
		// cout << diff2;
		int vn = v.size();
		for (int i = 0; i < vn; i++){
			if (v[i].xx <= end){
				if (v[i].yy - v[i].xx != diff) return 0;
			}
			else{
				if (v[i].yy - v[i].xx != diff2) return 0;
			}
		}
	}
	sort(rep.begin(), rep.end());
	for(int i = 0; i + 1 < rep.size(); i++){
		if(rep[i].xx == rep[i + 1].xx) return 0;
	}
	// cout << "veve";
	return 1;
}
//----------------------
 
int replacement(int n, int arr[], int repl[]){
	vector<pii> rep;
	vector<pii> v;
	for (int i = 0; i < n; i++){
		arr[i]--;
		if (arr[i] >= n){
			rep.pb( mp(arr[i] - n, i) );
		}
		else {
			v.pb( mp(i, arr[i]) );
		}
	}
	sort(rep.begin(), rep.end() );
	if(v.size() > 0){
		int diff = v[0].yy - v[0].xx;
		int end = (n - 1) - diff;
		int diff2 = diff - n;
		int repsz = 0;
		int last = 0;
		for(int i = 0; i < rep.size(); i++){
			for(int j = last; j <= rep[i].xx; j++){
				int tmp;
				if(j == last){
					if(rep[i].yy <= end) tmp = rep[i].yy + diff;
					else tmp = rep[i].yy + diff2;
				}
				else{
					tmp = n + j - 1;
				}
				tmp++;
				repl[j] = tmp;
				repsz++;
			}
			last = rep[i].xx + 1;
		}
		return repsz;
		// cout << diff2;
	}
	else{ //wtf evdreegu neg ch bdggu nasss
		int repsz = 0;
		int last = 0;
		for(int i = 0; i < rep.size(); i++){
			for(int j = last; j <= rep[i].xx; j++){
				int tmp;
				if(j == last){
					tmp = rep[i].yy;
				}
				else{
					tmp = n + j - 1;
				}
				tmp++;
				// cout << tmp << ' ';
				repl[j] = tmp;
				repsz++;
			}
			last = rep[i].xx + 1;
		}
		return repsz;
	}
}
 
//----------------------
 
int countReplacement(int n, int arr[]){
	if(!valid(n, inputSeq)) return 0; //sha
	vector<int> rep;
	i64 res = 1;
	for (int i = 0; i < n; i++){
		if(arr[i] > n) rep.pb(arr[i]);
	}
	if(rep.size() == n) res = rep.size();
	if(rep.size() == 0) return 1; //yu ch evdreegue
	int cnt = rep.size();
	int lst = n;
	sort(rep.begin(), rep.end());
	for (int i = 0; i < rep.size(); i++) {
		res *= pow(cnt * 1LL, rep[i] - lst - 1);
		lst = rep[i];
		res %= mod;
		cnt--;
	}
	return res;
}

Compilation message

gondola.cpp: In function 'i64 pow(i64, i64)':
gondola.cpp:16:47: error: 'mod' was not declared in this scope
  if(zereg & 1) return (zereg * ((tmp * tmp) % mod) ) % mod;
                                               ^~~
gondola.cpp:16:47: note: suggested alternative: 'modf'
  if(zereg & 1) return (zereg * ((tmp * tmp) % mod) ) % mod;
                                               ^~~
                                               modf
gondola.cpp:17:24: error: 'mod' was not declared in this scope
  return ((tmp * tmp) % mod);
                        ^~~
gondola.cpp:17:24: note: suggested alternative: 'modf'
  return ((tmp * tmp) % mod);
                        ^~~
                        modf
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:24:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:52:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i + 1 < rep.size(); i++){
                 ~~~~~~^~~~~~~~~~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:79:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < rep.size(); i++){
                  ~~^~~~~~~~~~~~
gondola.cpp:101:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < rep.size(); i++){
                  ~~^~~~~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:123:5: error: redefinition of 'int countReplacement(int, int*)'
 int countReplacement(int n, int arr[]){
     ^~~~~~~~~~~~~~~~
gondola.cpp:22:5: note: 'int countReplacement(int, int*)' previously defined here
 int countReplacement(int n, int inputSeq[]){
     ^~~~~~~~~~~~~~~~
gondola.cpp:124:15: error: 'inputSeq' was not declared in this scope
  if(!valid(n, inputSeq)) return 0; //sha
               ^~~~~~~~
gondola.cpp:124:15: note: suggested alternative: 'newSeq'
  if(!valid(n, inputSeq)) return 0; //sha
               ^~~~~~~~
               newSeq
gondola.cpp:130:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(rep.size() == n) res = rep.size();
     ~~~~~~~~~~~^~~~
gondola.cpp:135:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < rep.size(); i++) {
                  ~~^~~~~~~~~~~~
gondola.cpp:138:10: error: 'mod' was not declared in this scope
   res %= mod;
          ^~~
gondola.cpp:138:10: note: suggested alternative: 'modf'
   res %= mod;
          ^~~
          modf