compare.cpp

#include <stdio.h>
#include <cassert>
#include <vector>
#include <string>

using namespace std;

vector<vector<char>> read_field(string filename) {
    auto file = fopen(filename.c_str(), "rt");
    assert(file != 0);
    int nRows, nCols;
    fscanf(file, "%d %d\n", &nRows, &nCols);
    vector<vector<char>> field(nRows, vector<char>(nCols));
    printf("nRows = %d, nCols = %d\n", nRows, nCols);
    for (int r = 0; r < nRows; ++r) {
        char buf[101]; fscanf(file, "%[^\n]s", buf); fscanf(file, "\n");
        for (int c = 0; c < nCols; ++c) {
            field[r][c] = buf[c];
        }
//        printf("%s\n", field.back().c_str());
    }
    fclose(file);
    return field;
}

int main(int argc, char* argv[]) {
    assert(argc == 3);
    auto f1 = read_field(argv[1]);
    auto f2 = read_field(argv[2]);
    int nRows = (int)f1.size();
    int nCols = (int)f1.front().size();
    printf("nRows = %d, nCols = %d\n", nRows, nCols);
    vector<vector<bool>> diff(nRows, vector<bool>(nCols));
    for (int r = 0; r < nRows; ++r) {
        for (int c = 0; c < nCols; ++c) {
            diff[r][c] = (f1[r][c] != f2[r][c]);
            printf("%c", f1[r][c]);
        }
        printf("    ");
        for (int c = 0; c < nCols; ++c) {
            printf("%c", f2[r][c]);
        }
        printf("\n");
    }

    for (int r = 0; r < nRows; ++r) {
        for (int c = 0; c < nCols; ++c) {
            printf(diff[r][c] ? "1" : "0");
        }
        printf("\n");
    }
    return 0;
}