OI-codes/Luogu/T263082/samples/checker.cpp

#include "testlib.h"

int a[100005], c[100005];

int main(int argc, char* argv[]) {
    registerTestlibCmd(argc, argv);

    int pans = ouf.readInt();
    int jans = ans.readInt();

    if (pans != jans) {
        quitf(_wa, "The answer is wrong: expected = %f, found = %f", jans, pans);
    } else {
        int n = inf.readInt();
        for (int i = 1; i <= n; ++i) {
            a[i] = inf.readInt();
        }
        for (int i = 1; i <= pans; ++i) {
            int l = ouf.readInt();
            int r = ouf.readInt();
            c[l]++;
            c[r + 1]--;
        }

        bool flag = 0;
        for (int i = 1; i <= n; ++i) {
            c[i] += c[i - 1];
            if (c[i] != a[i]) {
                flag = 1;
                break;
            }
        }

        if (flag) {
            quitf(_wa, "The answer is wrong.");
        } else {
            quitf(_ok, "The answer is correct.");
        }
    }

    return 0;
}