提出 #44544477

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ソースコード 拡げる

#include <bits/stdc++.h>

void solve(std::istream& is, std::ostream& os) {
    using Num = long long int;
    Num n {0};
    std::string s;
    Num q {0};
    is >> n >> s >> q;

    std::vector<Num> gen(n+2, 0);
    std::string cs;
    cs.resize(n);
    Num to_lower {-1};
    Num to_upper {-1};

    for(decltype(q) i{0}; i<n; ++i) {
        cs.at(i) = s.at(i);
    }

    for(decltype(q) i{1}; i<=q; ++i) {
        Num t {0};
        Num x {0};
        char c {0};
        is >> t >> x >> c;
        --x;

        if (t == 1) {
            gen.at(x) = i;
            cs.at(x) = c;
        } else if(t == 2) {
            to_lower = i;
        } else if(t == 3) {
            to_upper = i;
        }
    }

    for(decltype(n) i{0}; i<n; ++i) {
        char l = static_cast<char>(std::tolower(cs.at(i)));
        char u = static_cast<char>(std::toupper(cs.at(i)));

        if ((gen.at(i) > to_lower) && (gen.at(i) > to_upper)) {
            os << cs.at(i);
        } else if ((gen.at(i) < to_lower) && (gen.at(i) > to_upper)) {
            os << l;
        } else if ((gen.at(i) > to_lower) && (gen.at(i) < to_upper)) {
            os << u;
        } else {
            if (to_lower < to_upper) {
                os << u;
            } else {
                os << l;
            }
        }
    }

    os << "\n";
    return;
}

int main(void) {
    solve(std::cin, std::cout);
    return 0;
}

提出情報

ジャッジ結果