Submission #4022571

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Source Code Expand

#include <stdio.h>

#define HEIGHT_MAX      101
#define WIDTH_MAX       101

typedef unsigned char   U1;
typedef unsigned short  U2;
typedef unsigned long   U4;
typedef signed   char   S1;
typedef signed   short  S2;
typedef signed   long   S4;

void initData(U2 u2InpBlackData[HEIGHT_MAX][WIDTH_MAX],U2 u2InpWhiteData[HEIGHT_MAX][WIDTH_MAX])
{
    U1  u1CntHeight;
    U1  u1CntWidth;
    
    for(u1CntHeight = 0; u1CntHeight < HEIGHT_MAX; u1CntHeight++ )
    {
        for(u1CntWidth = 0; u1CntWidth < WIDTH_MAX; u1CntWidth++ )
        {
            u2InpBlackData[u1CntHeight][u1CntWidth] = 0;
            u2InpWhiteData[u1CntHeight][u1CntWidth] = 0;
        }
    }
}

void inputData(U1 *u1Height,U1 *u1Width,U2 u2InpBlackData[HEIGHT_MAX][WIDTH_MAX],U2 u2InpWhiteData[HEIGHT_MAX][WIDTH_MAX])
{
    int input;
    U1  u1CntHeight;
    U1  u1CntWidth;
    U1  u1TmpDensity;
    scanf("%d",&input);
    *u1Height = (U1)input;
    
    scanf("%d",&input);
    *u1Width = (U1)input;

    for(u1CntHeight = 1; u1CntHeight <= *u1Height; u1CntHeight++ )
    {
        for(u1CntWidth = 1; u1CntWidth <= *u1Width; u1CntWidth++ )
        {
            scanf("%d",&input);
            u1TmpDensity = (U1)input;
            if((u1CntHeight % 2) == 0)
            {
                if((u1CntWidth % 2) == 0)
                {
                    u2InpBlackData[u1CntHeight][u1CntWidth] = u1TmpDensity;
                    u2InpWhiteData[u1CntHeight][u1CntWidth] = 0;
                }
                else
                {
                    u2InpBlackData[u1CntHeight][u1CntWidth] = 0;
                    u2InpWhiteData[u1CntHeight][u1CntWidth] = u1TmpDensity;
                }
            }
            else
            {
                if((u1CntWidth % 2) == 0)
                {
                    u2InpBlackData[u1CntHeight][u1CntWidth] = 0;
                    u2InpWhiteData[u1CntHeight][u1CntWidth] = u1TmpDensity;
                }
                else
                {
                    u2InpBlackData[u1CntHeight][u1CntWidth] = u1TmpDensity;
                    u2InpWhiteData[u1CntHeight][u1CntWidth] = 0;
                }
            }
        }
    }
}

void calcCumSum(U1 u1Height,U1 u1Width,U2 u2InputData[HEIGHT_MAX][WIDTH_MAX],U2 u2CumData[HEIGHT_MAX][WIDTH_MAX])
{
    U1  u1CntHeight;
    U1  u1CntWidth;
    
    for(u1CntHeight = 0; u1CntHeight < HEIGHT_MAX; u1CntHeight++ )
    {
        for(u1CntWidth = 0; u1CntWidth < WIDTH_MAX; u1CntWidth++ )
        {
            u2CumData[u1CntHeight][u1CntWidth] = u2InputData[u1CntHeight][u1CntWidth];
        }
    }
    
    for(u1CntHeight = 0; u1CntHeight <= u1Height; u1CntHeight++ )
    {
        for(u1CntWidth = 1; u1CntWidth <= u1Width; u1CntWidth++ )
        {
            u2CumData[u1CntHeight][u1CntWidth] += u2CumData[u1CntHeight][u1CntWidth - 1];
        }
    }
    
    for(u1CntHeight = 1; u1CntHeight <= u1Height; u1CntHeight++ )
    {
        for(u1CntWidth = 0; u1CntWidth <= u1Width; u1CntWidth++ )
        {
            u2CumData[u1CntHeight][u1CntWidth] += u2CumData[u1CntHeight - 1][u1CntWidth];
        }
    }
}

U2 calcChocoMass(U1 u1Height,U1 u1Width,U2 u2CumBlack[HEIGHT_MAX][WIDTH_MAX],U2 u2CumWhite[HEIGHT_MAX][WIDTH_MAX])
{
    U1  u1CntHeight;
    U1  u1CntWidth;
    U1  u1TgtHeight;
    U1  u1TgtWidth;
    U2  u2BlackSum;
    U2  u2WhiteSum;
    U2  u2ChocoMass;
    U2  u2TmpMass;
    
    u2ChocoMass = 0;
    
    for(u1CntHeight = 1; u1CntHeight <= u1Height; u1CntHeight++ )
    {
        for(u1CntWidth = 1; u1CntWidth <= u1Width; u1CntWidth++ )
        {
            for(u1TgtHeight = u1CntHeight; u1TgtHeight <= u1Height; u1TgtHeight++ )
            {
                for(u1TgtWidth = u1CntWidth; u1TgtWidth <= u1Width; u1TgtWidth++ )
                {
                    u2BlackSum = u2CumBlack[u1TgtHeight][u1TgtWidth] - u2CumBlack[u1TgtHeight][u1CntWidth - 1] - u2CumBlack[u1CntHeight - 1][u1TgtWidth] + u2CumBlack[u1CntHeight - 1][u1CntWidth - 1];
                    u2WhiteSum = u2CumWhite[u1TgtHeight][u1TgtWidth] - u2CumWhite[u1TgtHeight][u1CntWidth - 1] - u2CumWhite[u1CntHeight - 1][u1TgtWidth] + u2CumWhite[u1CntHeight - 1][u1CntWidth - 1];
                    if(u2BlackSum == u2WhiteSum)
                    {
                        u2TmpMass = (u1TgtHeight - u1CntHeight + 1) * (u1TgtWidth - u1CntWidth + 1);
                        if(u2ChocoMass < u2TmpMass)
                        {
                            u2ChocoMass = u2TmpMass;
                        }
                    }
                }
            }
        }
    }
    return u2ChocoMass;
}

void outputChocoMass(U2 u2ChocoMass)
{
    printf("%d\n",u2ChocoMass);
}

int main(void)
{
    U1  u1Height;
    U1  u1Width;
    U2  u2ChocoMass;
    U2  u2ChocoBlack[HEIGHT_MAX][WIDTH_MAX];
    U2  u2ChocoWhite[HEIGHT_MAX][WIDTH_MAX];
    U2  u2CumChcBlack[HEIGHT_MAX][WIDTH_MAX];
    U2  u2CumChcWhite[HEIGHT_MAX][WIDTH_MAX];

    initData(u2ChocoBlack,u2ChocoWhite);
    
    inputData(&u1Height,&u1Width,u2ChocoBlack,u2ChocoWhite);
    
    calcCumSum(u1Height,u1Width,u2ChocoBlack,u2CumChcBlack);
    calcCumSum(u1Height,u1Width,u2ChocoWhite,u2CumChcWhite);
    
    u2ChocoMass = calcChocoMass(u1Height,u1Width,u2CumChcBlack,u2CumChcWhite);
    
    outputChocoMass(u2ChocoMass);
}

Submission Info

Compile Error

./Main.c: In function ‘inputData’:
./Main.c:34:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&input);
     ^
./Main.c:37:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&input);
     ^
./Main.c:44:13: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&input);
             ^

Judge Result