题解 | #图像相似度#

#include <stdio.h>

int main() {
    int row = 0;
    int col = 0;
    while (scanf("%d %d", &row, &col) != EOF) 
    { 
        int arr1[100][100] = {0};
        int arr2[100][100] = {0};

        for (int i = 0; i < row; i++)
        {
            for (int j = 0; j < col; j++)
            {
                scanf("%d",arr1[i] + j);
            }
        }

        for (int i = 0; i < row; i++)
        {
            for (int j = 0; j < col; j++)
            {
                scanf("%d",arr2[i] + j);
            }
        }
        float ResemblePointCount = 0.0;
        for (int i = 0; i < row; i++)
        {
            for (int j = 0; j < col; j++)
            {
                if (arr1[i][j] == arr2[i][j])
                {
                    ResemblePointCount++;
                }
            }
        }

        float percentage = (ResemblePointCount / (row *col)) * 100.00;
        printf("%.2f",percentage);
        
    }
    return 0;
}