Submission #1334766

#TimeUsernameProblemLanguageResultExecution timeMemory
1334766yf_yusuf코알라 (APIO17_koala)C++20
Compilation error
0 ms0 KiB
// #include "koala.h"
#include <bits/stdc++.h>
#include <stdio.h>
#include <stdlib.h>
using namespace std;
static int N, W;
static int P[105];

static int maxQueries = 3200;
static int numQueries;

static void runGame(int F);
static void grader();
static void playRound(int *B, int *R);

int main() {
    grader();
    return 0;
}
int a = 0, b = 1;
int greaterValue(int N, int W) {
	int B[N]{}, R[N];
	int l = 1, r = W / 2;
	while(l<=r){
		int mid = (l + r) >> 1;
		B[a] = B[b] = mid;
		playRound(B, R);
		if(R[a] + R[b] == 0){
			r = mid - 1;
		} else if(R[a] == 0){
			return 1;
		} else if(R[b] == 0){
			return 0;
		} else {
			l = mid + 1;
		}
	}
	return 0;
}
vector<int> dac(int l, int r, int N, int W){
	// cout<<l<<" "<<r<<" "<<N<<" "<<W<<"\n";
	if(l > r)return {};
	if(l == r)return {l};
	int m = (l + r) >> 1;
	auto L = dac(l,   m, N, W);
	auto R = dac(m+1, r, N, W);
	vector<int> ret;
	int i = 0, j = 0;
	while(i < L.size() && j < R.size()){
		a = L[i];
		b = R[j];
		bool B = greaterValue(N, W);
		if(B){
			ret.push_back(L[i++]);
		} else {
			ret.push_back(R[j++]);
		}
	}
	while(i < L.size()){
		ret.push_back(L[i++]);
	}
	while(j < R.size()){
		ret.push_back(R[j++]);
	}
	return ret;
}
void allValues(int N, int W, int *P) {
  if (W == 2*N) {
  	auto v = dac(0, N-1, N, W);
  	vector<int>pos(N);
  	int i = 0;
  	for(auto x : v)
  		pos[x] = i++;
  	for(int i=0;i<N;i++){
  		P[i] = pos[i];
  	}
  } else {
    // TODO: Implement Subtask 5 solution here.
    // You may leave this block unmodified if you are not attempting this
    // subtask.
  }
}
void playRound(int *B, int *R) {
    int i, j;

    int S = 0;
    for (i=0;i<N;++i) {
        if ( !(B[i] >= 0 && B[i] <= W) ) {
            printf("Invalid query.\n");
            exit(0);
        }
        S += B[i];
    }
    if (S > W) {
        printf("Invalid query.\n");
        exit(0);
    }

    numQueries++;
    if (numQueries > maxQueries) {
        printf("Too many queries.\n");
        exit(0);
    }

    int cache[2][205];
    int num[2][205];
    char taken[105][205];

    for (i=0;i<205;++i) {
        cache[1][i] = 0;
        num[1][i] = 0;
    }

    for (i=0;i<N;++i) {
        int v = B[i]+1;
        int ii = i&1;
        int o = ii^1;
        for (j=0;j<=W;++j) {
            cache[ii][j] = cache[o][j];
            num[ii][j] = num[o][j];
            taken[i][j] = 0;
        }
        for (j=W;j>=v;--j) {
            int h = cache[o][j-v] + P[i];
            int hn = num[o][j-v] + 1;
            if (h > cache[ii][j] || (h == cache[ii][j] && hn > num[ii][j])) {
                cache[ii][j] = h;
                num[ii][j] = hn;
                taken[i][j] = 1;
            } else {
                taken[i][j] = 0;
            }
        }
    }

    int cur = W;
    for (i=N-1;i>=0;--i) {
        R[i] = taken[i][cur] ? (B[i] + 1) : 0;
        cur -= R[i];
    }
}

static void runGame(int F) {
    int i;

    scanf("%d %d",&N,&W);
    for (i=0;i<N;++i) {
        scanf("%d",&P[i]);
    }

    numQueries = 0;
    if (F == 1) {
        // printf("%d\n", minValue(N, W));
    } else if (F == 2) {
        // printf("%d\n", maxValue(N, W));
    } else if (F == 3) {
        printf("%d\n", greaterValue(N, W));
    } else if (F == 4) {
        int userP[105];
        allValues(N, W, userP);
        for (i=0;i<N;i++) {
            printf("%d ",userP[i]);
        }
        printf("\n");
    }
    printf("Made %d calls to playRound.\n", numQueries);
}

static void grader() {
    int i;

    int F, G;
    scanf("%d %d",&F,&G);

    for (i=0;i<G;i++) {
        runGame(F);
    }
}

Compilation message (stderr)

koala.cpp: In function 'void grader()':
koala.cpp:173:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  173 |     scanf("%d %d",&F,&G);
      |     ~~~~~^~~~~~~~~~~~~~~
koala.cpp: In function 'void runGame(int)':
koala.cpp:146:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  146 |     scanf("%d %d",&N,&W);
      |     ~~~~~^~~~~~~~~~~~~~~
koala.cpp:148:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  148 |         scanf("%d",&P[i]);
      |         ~~~~~^~~~~~~~~~~~
/usr/bin/ld: /tmp/ccFsJ1ws.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc6bTSmF.o:koala.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccFsJ1ws.o: in function `runGame(int)':
grader.cpp:(.text+0x157): undefined reference to `minValue(int, int)'
/usr/bin/ld: grader.cpp:(.text+0x1ef): undefined reference to `maxValue(int, int)'
collect2: error: ld returned 1 exit status