Compilare: main.cpp: In function 'void q_undo()': main.cpp:85:26: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare] 85 | for(int i = 0; i < update_count; i++) dsu_undo(); | ~~^~~~~~~~~~~~~~ main.cpp:86:26: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare] 86 | for(int i = 0; i <= update_count / 2; i++) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:92:26: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare] 92 | for(int i = 0; i < update_count; i++) dsu_update(edge[q_updates[i] >> 1]); | ~~^~~~~~~~~~~~~~ main.cpp:114:26: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare] 114 | for(int i = 0; i < pushable + pushed_past; i++) dsu_undo(); | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:115:26: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare] 115 | for(int i = 0; i < pushable + pushed_past; i++) dsu_update(edge[q_updates[update_count - pushable - pushed_past + i] >> 1]); | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:125:22: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare] 125 | for(int i = 0; i < m; i++) { | ~~^~~ main.cpp:129:22: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare] 129 | for(int i = 1; i <= n; i++) { | ~~^~~~