Submission #391604

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
391604	2021-04-19T12:24:06 Z	BorisBarca	Koala Game (APIO17_koala)	C++14	Compilation error	0 ms	0 KB

koala

#include <stdio.h>
#include <stdlib.h>
#include <koala.h>
#include <bits/stdc++.h>

using namespace std;

int R[105];
int B[105];

void playRound(int *B, int *R);

int minValue(int N, int W) {
    // Todo: Implement Subtask 1 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    for (int i = 0; i < N; ++i)
	    B[i] = 0;
    B[0] = 1;
    playRound(B, R);
    if (R[0] == 0)
	    return 1;
    for (int i = 0; i < N; ++i)
	    if (R[i] == 0)
		    return i;
    return 0;
}

int maxValue(int N, int W) {
    // todo: Implement Subtask 2 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    return 0;
}

int greaterValue(int N, int W) {
    // todo: Implement Subtask 3 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    return 0;
}

void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        // todo: Implement Subtask 4 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    } else {
        // todo: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    }
}

static int N, W;
static int P[105];

static int maxQueries = 3200;
static int numQueries;

static void runGame(int F);
static void grader();

int main() {
    grader();
    return 0;
}

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

koala.cpp: In function 'void grader()':
koala.cpp:159:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  159 |     scanf("%d %d",&F,&G);
      |     ~~~~~^~~~~~~~~~~~~~~
koala.cpp: In function 'void runGame(int)':
koala.cpp:132:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  132 |     scanf("%d %d",&N,&W);
      |     ~~~~~^~~~~~~~~~~~~~~
koala.cpp:134:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  134 |         scanf("%d",&P[i]);
      |         ~~~~~^~~~~~~~~~~~
koala.cpp:148:19: warning: '#'target_mem_ref' not supported by dump_expr#<expression error>' may be used uninitialized in this function [-Wmaybe-uninitialized]
  148 |             printf("%d ",userP[i]);
      |             ~~~~~~^~~~~~~~~~~~~~~~
/tmp/ccQ0esVH.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccHKtOqc.o:koala.cpp:(.text.startup+0x0): first defined here
/tmp/ccQ0esVH.o: In function `playRound(int*, int*)':
grader.cpp:(.text+0x280): multiple definition of `playRound(int*, int*)'
/tmp/ccHKtOqc.o:koala.cpp:(.text+0x30): first defined here
collect2: error: ld returned 1 exit status