제출 #1210810

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1210810		qwusha	송신탑 (IOI22_towers)	C++20	컴파일 에러	0 ms	0 KiB

towers

#include <bits/stdc++.h>
#include "towers.h"
using namespace std;
#define fi first
#define se second
typedef long long ll;
typedef long double ld;
mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
int inf = 1e9;

int n;
vector<int> h;

vector<int> prefdpsm, prefdpbi;

void init(int N, vector<int> H) {
    n = N;
    h = H;
    prefdpsm.assign(n + 1, 0);
    prefdpbi.assign(n + 1, 0);
    vector<int> smaller(n, -1), bigger(n, -1);
    vector<int> s;
    for (int i = 0; i < n; i++) {
        while (!s.empty() && h[s.back()] >= h[i]) {
            s.pop_back();
        }
        if (!s.empty()) {
            smaller[i] = s.back();
        }
        s.push_back(i);
    }
    s.clear();
    for (int i = 0; i < n; i++) {
        while (!s.empty() && h[s.back()] <= h[i]) {
            s.pop_back();
        }
        if (!s.empty()) {
            bigger[i] = s.back();
        }
        s.push_back(i);
    }
    vector<pair<int, int>> dp(n, {1, 0});
    for (int i = 0; i < n; i++) {
        if (smaller[i] != -1) {
            dp[i].se = max(dp[i].se, dp[smaller[i]].fi);
        }
        if (bigger[i] != -1) {
            dp[i].fi = max(dp[i].fi, dp[bigger[i]].se);
        }
    }
    for (int i = 0; i < n; i++) {
        prefdpsm[i + 1] = max(prefdpsm[i], dp[i].fi);
        prefdpbi[i + 1] = max(prefdpbi[i], dp[i].se);
    }
}

int max_towers(int l, int r, int d) {
    int res = prefdpsm[r + 1] - prefdpbi[l + 1];
    return res;
}#include <bits/stdc++.h>
#include "towers.h"
using namespace std;
#define fi first
#define se second
typedef long long ll;
typedef long double ld;
mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
int inf = 1e9;

int n;
vector<int> h;

vector<int> prefdpsm, prefdpbi;

void init(int N, vector<int> H) {
    n = N;
    h = H;
    prefdpsm.assign(n + 1, 0);
    prefdpbi.assign(n + 1, 0);
    vector<int> smaller(n, -1), bigger(n, -1);
    vector<int> s;
    for (int i = 0; i < n; i++) {
        while (!s.empty() && h[s.back()] >= h[i]) {
            s.pop_back();
        }
        if (!s.empty()) {
            smaller[i] = s.back();
        }
        s.push_back(i);
    }
    s.clear();
    for (int i = 0; i < n; i++) {
        while (!s.empty() && h[s.back()] <= h[i]) {
            s.pop_back();
        }
        if (!s.empty()) {
            bigger[i] = s.back();
        }
        s.push_back(i);
    }
    vector<pair<int, int>> dp(n, {1, 0});
    for (int i = 0; i < n; i++) {
        if (smaller[i] != -1) {
            dp[i].se = max(dp[i].se, dp[smaller[i]].fi);
        }
        if (bigger[i] != -1) {
            dp[i].fi = max(dp[i].fi, dp[bigger[i]].se);
        }
    }
    for (int i = 0; i < n; i++) {
        prefdpsm[i + 1] = max(prefdpsm[i], dp[i].fi);
        prefdpbi[i + 1] = max(prefdpbi[i], dp[i].se);
    }
}

int max_towers(int l, int r, int d) {
    int res = prefdpsm[r + 1] - prefdpbi[l + 1];
    return res;
}

컴파일 시 표준 에러 (stderr) 메시지

towers.cpp:60:2: error: stray '#' in program
   60 | }#include <bits/stdc++.h>
      |  ^
towers.cpp:60:12: error: 'bits' was not declared in this scope
   60 | }#include <bits/stdc++.h>
      |            ^~~~
towers.cpp:60:17: error: 'stdc' was not declared in this scope; did you mean 'std'?
   60 | }#include <bits/stdc++.h>
      |                 ^~~~
      |                 std
towers.cpp:60:12: error: 'bits' was not declared in this scope
   60 | }#include <bits/stdc++.h>
      |            ^~~~
towers.cpp:60:17: error: 'stdc' was not declared in this scope; did you mean 'std'?
   60 | }#include <bits/stdc++.h>
      |                 ^~~~
      |                 std
towers.cpp:60:12: error: 'bits' was not declared in this scope
   60 | }#include <bits/stdc++.h>
      |            ^~~~
towers.cpp:60:17: error: 'stdc' was not declared in this scope; did you mean 'std'?
   60 | }#include <bits/stdc++.h>
      |                 ^~~~
      |                 std
towers.cpp:60:12: error: 'bits' was not declared in this scope
   60 | }#include <bits/stdc++.h>
      |            ^~~~
towers.cpp:60:17: error: 'stdc' was not declared in this scope; did you mean 'std'?
   60 | }#include <bits/stdc++.h>
      |                 ^~~~
      |                 std
towers.cpp:60:12: error: 'bits' was not declared in this scope
   60 | }#include <bits/stdc++.h>
      |            ^~~~
towers.cpp:60:17: error: 'stdc' was not declared in this scope; did you mean 'std'?
   60 | }#include <bits/stdc++.h>
      |                 ^~~~
      |                 std
towers.cpp:60:12: error: 'bits' was not declared in this scope
   60 | }#include <bits/stdc++.h>
      |            ^~~~
towers.cpp:60:17: error: 'stdc' was not declared in this scope; did you mean 'std'?
   60 | }#include <bits/stdc++.h>
      |                 ^~~~
      |                 std
towers.cpp:60:12: error: 'bits' was not declared in this scope
   60 | }#include <bits/stdc++.h>
      |            ^~~~
towers.cpp:60:17: error: 'stdc' was not declared in this scope; did you mean 'std'?
   60 | }#include <bits/stdc++.h>
      |                 ^~~~
      |                 std
towers.cpp:60:12: error: 'bits' was not declared in this scope
   60 | }#include <bits/stdc++.h>
      |            ^~~~
towers.cpp:60:17: error: 'stdc' was not declared in this scope; did you mean 'std'?
   60 | }#include <bits/stdc++.h>
      |                 ^~~~
      |                 std
towers.cpp:60:12: error: 'bits' was not declared in this scope
   60 | }#include <bits/stdc++.h>
      |            ^~~~
towers.cpp:60:17: error: 'stdc' was not declared in this scope; did you mean 'std'?
   60 | }#include <bits/stdc++.h>
      |                 ^~~~
      |                 std
towers.cpp:60:3: error: 'include' does not name a type
   60 | }#include <bits/stdc++.h>
      |   ^~~~~~~
towers.cpp:67:9: error: redefinition of 'std::mt19937 rnd'
   67 | mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
      |         ^~~
towers.cpp:8:9: note: 'std::mt19937 rnd' previously declared here
    8 | mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
      |         ^~~
towers.cpp:68:5: error: redefinition of 'int inf'
   68 | int inf = 1e9;
      |     ^~~
towers.cpp:9:5: note: 'int inf' previously defined here
    9 | int inf = 1e9;
      |     ^~~
towers.cpp:70:5: error: redefinition of 'int n'
   70 | int n;
      |     ^
towers.cpp:11:5: note: 'int n' previously declared here
   11 | int n;
      |     ^
towers.cpp:71:13: error: redefinition of 'std::vector<int> h'
   71 | vector<int> h;
      |             ^
towers.cpp:12:13: note: 'std::vector<int> h' previously declared here
   12 | vector<int> h;
      |             ^
towers.cpp:73:13: error: redefinition of 'std::vector<int> prefdpsm'
   73 | vector<int> prefdpsm, prefdpbi;
      |             ^~~~~~~~
towers.cpp:14:13: note: 'std::vector<int> prefdpsm' previously declared here
   14 | vector<int> prefdpsm, prefdpbi;
      |             ^~~~~~~~
towers.cpp:73:23: error: redefinition of 'std::vector<int> prefdpbi'
   73 | vector<int> prefdpsm, prefdpbi;
      |                       ^~~~~~~~
towers.cpp:14:23: note: 'std::vector<int> prefdpbi' previously declared here
   14 | vector<int> prefdpsm, prefdpbi;
      |                       ^~~~~~~~
towers.cpp:75:6: error: redefinition of 'void init(int, std::vector<int>)'
   75 | void init(int N, vector<int> H) {
      |      ^~~~
towers.cpp:16:6: note: 'void init(int, std::vector<int>)' previously defined here
   16 | void init(int N, vector<int> H) {
      |      ^~~~
towers.cpp:116:5: error: redefinition of 'int max_towers(int, int, int)'
  116 | int max_towers(int l, int r, int d) {
      |     ^~~~~~~~~~
towers.cpp:57:5: note: 'int max_towers(int, int, int)' previously defined here
   57 | int max_towers(int l, int r, int d) {
      |     ^~~~~~~~~~